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Finding the Fourth Proportional to 66,896.58, 92,320.20 and 40,033.98

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Solution

The fourth proportional to 66,896.58, 92,320.20 and 40,033.98 is: 55,248.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,896.58 : 92,320.20 = 40,033.98 : x
  2. Step 2: Convert to fraction form
    66,896.58/92,320.20 = 40,033.98/x
  3. Step 3: Cross multiply
    66,896.58x = 92,320.20 × 40,033.98
  4. Step 4: Simplify right side
    66,896.58x = 3,695,945,040.40
  5. Step 5: Solve for x
    x = 3,695,945,040.40/66,896.58
  6. Step 6: Final answer
    x = 55,248.64

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