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Finding the Fourth Proportional to 57,452.40, 86,186.70 and 18,005.40

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Solution

The fourth proportional to 57,452.40, 86,186.70 and 18,005.40 is: 27,010.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,452.40 : 86,186.70 = 18,005.40 : x
  2. Step 2: Convert to fraction form
    57,452.40/86,186.70 = 18,005.40/x
  3. Step 3: Cross multiply
    57,452.40x = 86,186.70 × 18,005.40
  4. Step 4: Simplify right side
    57,452.40x = 1,551,826,008.18
  5. Step 5: Solve for x
    x = 1,551,826,008.18/57,452.40
  6. Step 6: Final answer
    x = 27,010.64

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