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Finding the Fourth Proportional to 207,704.60, 311,441.70 and 82,904.60

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Solution

The fourth proportional to 207,704.60, 311,441.70 and 82,904.60 is: 124,310.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,704.60 : 311,441.70 = 82,904.60 : x
  2. Step 2: Convert to fraction form
    207,704.60/311,441.70 = 82,904.60/x
  3. Step 3: Cross multiply
    207,704.60x = 311,441.70 × 82,904.60
  4. Step 4: Simplify right side
    207,704.60x = 25,819,949,561.82
  5. Step 5: Solve for x
    x = 25,819,949,561.82/207,704.60
  6. Step 6: Final answer
    x = 124,310.92

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