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Finding the Fourth Proportional to 78,543.54, 108,380.61 and 44,549.46

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Solution

The fourth proportional to 78,543.54, 108,380.61 and 44,549.46 is: 61,472.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,543.54 : 108,380.61 = 44,549.46 : x
  2. Step 2: Convert to fraction form
    78,543.54/108,380.61 = 44,549.46/x
  3. Step 3: Cross multiply
    78,543.54x = 108,380.61 × 44,549.46
  4. Step 4: Simplify right side
    78,543.54x = 4,828,297,649.97
  5. Step 5: Solve for x
    x = 4,828,297,649.97/78,543.54
  6. Step 6: Final answer
    x = 61,472.88

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