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Finding the Fourth Proportional to 123,387.52, 170,274 and 66,798.76

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Solution

The fourth proportional to 123,387.52, 170,274 and 66,798.76 is: 92,181.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,387.52 : 170,274 = 66,798.76 : x
  2. Step 2: Convert to fraction form
    123,387.52/170,274 = 66,798.76/x
  3. Step 3: Cross multiply
    123,387.52x = 170,274 × 66,798.76
  4. Step 4: Simplify right side
    123,387.52x = 11,374,092,060.24
  5. Step 5: Solve for x
    x = 11,374,092,060.24/123,387.52
  6. Step 6: Final answer
    x = 92,181.87

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