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Finding the Fourth Proportional to 245,411.31, 368,106.42 and 76,927.86

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Solution

The fourth proportional to 245,411.31, 368,106.42 and 76,927.86 is: 115,388.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,411.31 : 368,106.42 = 76,927.86 : x
  2. Step 2: Convert to fraction form
    245,411.31/368,106.42 = 76,927.86/x
  3. Step 3: Cross multiply
    245,411.31x = 368,106.42 × 76,927.86
  4. Step 4: Simplify right side
    245,411.31x = 28,317,639,142.86
  5. Step 5: Solve for x
    x = 28,317,639,142.86/245,411.31
  6. Step 6: Final answer
    x = 115,388.48

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