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Finding the Fourth Proportional to 127,543.57, 175,936.85 and 79,713.88

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Solution

The fourth proportional to 127,543.57, 175,936.85 and 79,713.88 is: 109,959.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,543.57 : 175,936.85 = 79,713.88 : x
  2. Step 2: Convert to fraction form
    127,543.57/175,936.85 = 79,713.88/x
  3. Step 3: Cross multiply
    127,543.57x = 175,936.85 × 79,713.88
  4. Step 4: Simplify right side
    127,543.57x = 14,024,608,948.48
  5. Step 5: Solve for x
    x = 14,024,608,948.48/127,543.57
  6. Step 6: Final answer
    x = 109,959.36

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