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Finding the Fourth Proportional to 57,734.40, 86,601.60 and 48,403.20

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Solution

The fourth proportional to 57,734.40, 86,601.60 and 48,403.20 is: 72,604.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,734.40 : 86,601.60 = 48,403.20 : x
  2. Step 2: Convert to fraction form
    57,734.40/86,601.60 = 48,403.20/x
  3. Step 3: Cross multiply
    57,734.40x = 86,601.60 × 48,403.20
  4. Step 4: Simplify right side
    57,734.40x = 4,191,794,565.12
  5. Step 5: Solve for x
    x = 4,191,794,565.12/57,734.40
  6. Step 6: Final answer
    x = 72,604.80

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