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Finding the Fourth Proportional to 78,772.66, 108,687.57 and 44,778.46

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Solution

The fourth proportional to 78,772.66, 108,687.57 and 44,778.46 is: 61,783.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,772.66 : 108,687.57 = 44,778.46 : x
  2. Step 2: Convert to fraction form
    78,772.66/108,687.57 = 44,778.46/x
  3. Step 3: Cross multiply
    78,772.66x = 108,687.57 × 44,778.46
  4. Step 4: Simplify right side
    78,772.66x = 4,866,861,734.02
  5. Step 5: Solve for x
    x = 4,866,861,734.02/78,772.66
  6. Step 6: Final answer
    x = 61,783.64

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