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Finding the Fourth Proportional to 57,695.60, 86,543.40 and 51,244.40

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Solution

The fourth proportional to 57,695.60, 86,543.40 and 51,244.40 is: 76,866.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,695.60 : 86,543.40 = 51,244.40 : x
  2. Step 2: Convert to fraction form
    57,695.60/86,543.40 = 51,244.40/x
  3. Step 3: Cross multiply
    57,695.60x = 86,543.40 × 51,244.40
  4. Step 4: Simplify right side
    57,695.60x = 4,434,864,606.96
  5. Step 5: Solve for x
    x = 4,434,864,606.96/57,695.60
  6. Step 6: Final answer
    x = 76,866.60

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