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Finding the Fourth Proportional to 57,182.80, 85,774.20 and 53,294.80

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Solution

The fourth proportional to 57,182.80, 85,774.20 and 53,294.80 is: 79,942.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,182.80 : 85,774.20 = 53,294.80 : x
  2. Step 2: Convert to fraction form
    57,182.80/85,774.20 = 53,294.80/x
  3. Step 3: Cross multiply
    57,182.80x = 85,774.20 × 53,294.80
  4. Step 4: Simplify right side
    57,182.80x = 4,571,318,834.16
  5. Step 5: Solve for x
    x = 4,571,318,834.16/57,182.80
  6. Step 6: Final answer
    x = 79,942.20

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