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Finding the Fourth Proportional to 66,563.20, 99,844.80 and 61,494.40

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Solution

The fourth proportional to 66,563.20, 99,844.80 and 61,494.40 is: 92,241.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,563.20 : 99,844.80 = 61,494.40 : x
  2. Step 2: Convert to fraction form
    66,563.20/99,844.80 = 61,494.40/x
  3. Step 3: Cross multiply
    66,563.20x = 99,844.80 × 61,494.40
  4. Step 4: Simplify right side
    66,563.20x = 6,139,896,069.12
  5. Step 5: Solve for x
    x = 6,139,896,069.12/66,563.20
  6. Step 6: Final answer
    x = 92,241.60

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