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Finding the Fourth Proportional to 207,464.40, 311,350.20 and 82,894.80

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Solution

The fourth proportional to 207,464.40, 311,350.20 and 82,894.80 is: 124,403.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,464.40 : 311,350.20 = 82,894.80 : x
  2. Step 2: Convert to fraction form
    207,464.40/311,350.20 = 82,894.80/x
  3. Step 3: Cross multiply
    207,464.40x = 311,350.20 × 82,894.80
  4. Step 4: Simplify right side
    207,464.40x = 25,809,312,558.96
  5. Step 5: Solve for x
    x = 25,809,312,558.96/207,464.40
  6. Step 6: Final answer
    x = 124,403.57

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