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Finding the Fourth Proportional to 57,136.79, 78,822.52 and 37,000.40

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Solution

The fourth proportional to 57,136.79, 78,822.52 and 37,000.40 is: 51,043.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,136.79 : 78,822.52 = 37,000.40 : x
  2. Step 2: Convert to fraction form
    57,136.79/78,822.52 = 37,000.40/x
  3. Step 3: Cross multiply
    57,136.79x = 78,822.52 × 37,000.40
  4. Step 4: Simplify right side
    57,136.79x = 2,916,464,282.39
  5. Step 5: Solve for x
    x = 2,916,464,282.39/57,136.79
  6. Step 6: Final answer
    x = 51,043.54

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