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Finding the Fourth Proportional to 123,470.28, 170,388.99 and 66,881.66

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Solution

The fourth proportional to 123,470.28, 170,388.99 and 66,881.66 is: 92,296.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,470.28 : 170,388.99 = 66,881.66 : x
  2. Step 2: Convert to fraction form
    123,470.28/170,388.99 = 66,881.66/x
  3. Step 3: Cross multiply
    123,470.28x = 170,388.99 × 66,881.66
  4. Step 4: Simplify right side
    123,470.28x = 11,395,897,644.98
  5. Step 5: Solve for x
    x = 11,395,897,644.98/123,470.28
  6. Step 6: Final answer
    x = 92,296.69

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