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Finding the Fourth Proportional to 263,140.60, 394,710.90 and 168,662.20

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Solution

The fourth proportional to 263,140.60, 394,710.90 and 168,662.20 is: 252,993.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,140.60 : 394,710.90 = 168,662.20 : x
  2. Step 2: Convert to fraction form
    263,140.60/394,710.90 = 168,662.20/x
  3. Step 3: Cross multiply
    263,140.60x = 394,710.90 × 168,662.20
  4. Step 4: Simplify right side
    263,140.60x = 66,572,808,757.98
  5. Step 5: Solve for x
    x = 66,572,808,757.98/263,140.60
  6. Step 6: Final answer
    x = 252,993.30

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