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Finding the Fourth Proportional to 78,898.39, 108,879.21 and 43,088.41

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Solution

The fourth proportional to 78,898.39, 108,879.21 and 43,088.41 is: 59,461.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,898.39 : 108,879.21 = 43,088.41 : x
  2. Step 2: Convert to fraction form
    78,898.39/108,879.21 = 43,088.41/x
  3. Step 3: Cross multiply
    78,898.39x = 108,879.21 × 43,088.41
  4. Step 4: Simplify right side
    78,898.39x = 4,691,432,040.96
  5. Step 5: Solve for x
    x = 4,691,432,040.96/78,898.39
  6. Step 6: Final answer
    x = 59,461.70

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