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Finding the Fourth Proportional to 78,730.80, 118,096.20 and 32,017.20

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Solution

The fourth proportional to 78,730.80, 118,096.20 and 32,017.20 is: 48,025.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,730.80 : 118,096.20 = 32,017.20 : x
  2. Step 2: Convert to fraction form
    78,730.80/118,096.20 = 32,017.20/x
  3. Step 3: Cross multiply
    78,730.80x = 118,096.20 × 32,017.20
  4. Step 4: Simplify right side
    78,730.80x = 3,781,109,654.64
  5. Step 5: Solve for x
    x = 3,781,109,654.64/78,730.80
  6. Step 6: Final answer
    x = 48,025.80

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