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Finding the Fourth Proportional to 66,718.96, 100,192.95 and 59,239.42

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Solution

The fourth proportional to 66,718.96, 100,192.95 and 59,239.42 is: 88,960.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,718.96 : 100,192.95 = 59,239.42 : x
  2. Step 2: Convert to fraction form
    66,718.96/100,192.95 = 59,239.42/x
  3. Step 3: Cross multiply
    66,718.96x = 100,192.95 × 59,239.42
  4. Step 4: Simplify right side
    66,718.96x = 5,935,372,246.09
  5. Step 5: Solve for x
    x = 5,935,372,246.09/66,718.96
  6. Step 6: Final answer
    x = 88,960.80

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