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Finding the Fourth Proportional to 66,040.74, 91,029.69 and 54,082.98

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Solution

The fourth proportional to 66,040.74, 91,029.69 and 54,082.98 is: 74,547.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,040.74 : 91,029.69 = 54,082.98 : x
  2. Step 2: Convert to fraction form
    66,040.74/91,029.69 = 54,082.98/x
  3. Step 3: Cross multiply
    66,040.74x = 91,029.69 × 54,082.98
  4. Step 4: Simplify right side
    66,040.74x = 4,923,156,903.68
  5. Step 5: Solve for x
    x = 4,923,156,903.68/66,040.74
  6. Step 6: Final answer
    x = 74,547.27

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