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Finding the Fourth Proportional to 66,458.60, 99,659.10 and 27,002.60

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Solution

The fourth proportional to 66,458.60, 99,659.10 and 27,002.60 is: 40,492.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,458.60 : 99,659.10 = 27,002.60 : x
  2. Step 2: Convert to fraction form
    66,458.60/99,659.10 = 27,002.60/x
  3. Step 3: Cross multiply
    66,458.60x = 99,659.10 × 27,002.60
  4. Step 4: Simplify right side
    66,458.60x = 2,691,054,813.66
  5. Step 5: Solve for x
    x = 2,691,054,813.66/66,458.60
  6. Step 6: Final answer
    x = 40,492.20

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