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Finding the Fourth Proportional to 456,805.71, 685,254.20 and 157,246.65

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Solution

The fourth proportional to 456,805.71, 685,254.20 and 157,246.65 is: 235,885.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,805.71 : 685,254.20 = 157,246.65 : x
  2. Step 2: Convert to fraction form
    456,805.71/685,254.20 = 157,246.65/x
  3. Step 3: Cross multiply
    456,805.71x = 685,254.20 × 157,246.65
  4. Step 4: Simplify right side
    456,805.71x = 107,753,926,562.20
  5. Step 5: Solve for x
    x = 107,753,926,562.20/456,805.71
  6. Step 6: Final answer
    x = 235,885.68

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