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Finding the Fourth Proportional to 378,326.18, 522,095.92 and 206,244.25

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Solution

The fourth proportional to 378,326.18, 522,095.92 and 206,244.25 is: 284,620.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,326.18 : 522,095.92 = 206,244.25 : x
  2. Step 2: Convert to fraction form
    378,326.18/522,095.92 = 206,244.25/x
  3. Step 3: Cross multiply
    378,326.18x = 522,095.92 × 206,244.25
  4. Step 4: Simplify right side
    378,326.18x = 107,679,277,806.76
  5. Step 5: Solve for x
    x = 107,679,277,806.76/378,326.18
  6. Step 6: Final answer
    x = 284,620.21

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