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Finding the Fourth Proportional to 57,403.62, 86,144.61 and 19,963.33

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Solution

The fourth proportional to 57,403.62, 86,144.61 and 19,963.33 is: 29,958.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,403.62 : 86,144.61 = 19,963.33 : x
  2. Step 2: Convert to fraction form
    57,403.62/86,144.61 = 19,963.33/x
  3. Step 3: Cross multiply
    57,403.62x = 86,144.61 × 19,963.33
  4. Step 4: Simplify right side
    57,403.62x = 1,719,733,136.65
  5. Step 5: Solve for x
    x = 1,719,733,136.65/57,403.62
  6. Step 6: Final answer
    x = 29,958.62

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