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Finding the Fourth Proportional to 78,785.26, 108,719.28 and 44,789.03

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Solution

The fourth proportional to 78,785.26, 108,719.28 and 44,789.03 is: 61,806.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,785.26 : 108,719.28 = 44,789.03 : x
  2. Step 2: Convert to fraction form
    78,785.26/108,719.28 = 44,789.03/x
  3. Step 3: Cross multiply
    78,785.26x = 108,719.28 × 44,789.03
  4. Step 4: Simplify right side
    78,785.26x = 4,869,430,549.90
  5. Step 5: Solve for x
    x = 4,869,430,549.90/78,785.26
  6. Step 6: Final answer
    x = 61,806.37

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