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Finding the Fourth Proportional to 444,665.71, 667,017.01 and 129,122.61

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Solution

The fourth proportional to 444,665.71, 667,017.01 and 129,122.61 is: 193,689.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,665.71 : 667,017.01 = 129,122.61 : x
  2. Step 2: Convert to fraction form
    444,665.71/667,017.01 = 129,122.61/x
  3. Step 3: Cross multiply
    444,665.71x = 667,017.01 × 129,122.61
  4. Step 4: Simplify right side
    444,665.71x = 86,126,979,424.10
  5. Step 5: Solve for x
    x = 86,126,979,424.10/444,665.71
  6. Step 6: Final answer
    x = 193,689.28

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