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Finding the Fourth Proportional to 389,866.03, 585,032.32 and 358,139.95

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Solution

The fourth proportional to 389,866.03, 585,032.32 and 358,139.95 is: 537,424.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,866.03 : 585,032.32 = 358,139.95 : x
  2. Step 2: Convert to fraction form
    389,866.03/585,032.32 = 358,139.95/x
  3. Step 3: Cross multiply
    389,866.03x = 585,032.32 × 358,139.95
  4. Step 4: Simplify right side
    389,866.03x = 209,523,444,818.28
  5. Step 5: Solve for x
    x = 209,523,444,818.28/389,866.03
  6. Step 6: Final answer
    x = 537,424.22

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