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Finding the Fourth Proportional to 66,015.20, 98,734.80 and 59,045.60

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Solution

The fourth proportional to 66,015.20, 98,734.80 and 59,045.60 is: 88,310.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,015.20 : 98,734.80 = 59,045.60 : x
  2. Step 2: Convert to fraction form
    66,015.20/98,734.80 = 59,045.60/x
  3. Step 3: Cross multiply
    66,015.20x = 98,734.80 × 59,045.60
  4. Step 4: Simplify right side
    66,015.20x = 5,829,855,506.88
  5. Step 5: Solve for x
    x = 5,829,855,506.88/66,015.20
  6. Step 6: Final answer
    x = 88,310.81

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