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Finding the Fourth Proportional to 78,730.80, 108,651.41 and 44,745.02

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Solution

The fourth proportional to 78,730.80, 108,651.41 and 44,745.02 is: 61,749.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,730.80 : 108,651.41 = 44,745.02 : x
  2. Step 2: Convert to fraction form
    78,730.80/108,651.41 = 44,745.02/x
  3. Step 3: Cross multiply
    78,730.80x = 108,651.41 × 44,745.02
  4. Step 4: Simplify right side
    78,730.80x = 4,861,609,513.48
  5. Step 5: Solve for x
    x = 4,861,609,513.48/78,730.80
  6. Step 6: Final answer
    x = 61,749.78

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