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Finding the Fourth Proportional to 65,663.78, 98,487.42 and 18,282.42

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Solution

The fourth proportional to 65,663.78, 98,487.42 and 18,282.42 is: 27,421.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,663.78 : 98,487.42 = 18,282.42 : x
  2. Step 2: Convert to fraction form
    65,663.78/98,487.42 = 18,282.42/x
  3. Step 3: Cross multiply
    65,663.78x = 98,487.42 × 18,282.42
  4. Step 4: Simplify right side
    65,663.78x = 1,800,588,377.16
  5. Step 5: Solve for x
    x = 1,800,588,377.16/65,663.78
  6. Step 6: Final answer
    x = 27,421.33

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