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Finding the Fourth Proportional to 66,142.96, 99,213.89 and 26,699.47

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Solution

The fourth proportional to 66,142.96, 99,213.89 and 26,699.47 is: 40,048.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,142.96 : 99,213.89 = 26,699.47 : x
  2. Step 2: Convert to fraction form
    66,142.96/99,213.89 = 26,699.47/x
  3. Step 3: Cross multiply
    66,142.96x = 99,213.89 × 26,699.47
  4. Step 4: Simplify right side
    66,142.96x = 2,648,957,898.11
  5. Step 5: Solve for x
    x = 2,648,957,898.11/66,142.96
  6. Step 6: Final answer
    x = 40,048.98

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