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Finding the Fourth Proportional to 263,012.80, 394,519.20 and 157,777.60

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Solution

The fourth proportional to 263,012.80, 394,519.20 and 157,777.60 is: 236,666.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,012.80 : 394,519.20 = 157,777.60 : x
  2. Step 2: Convert to fraction form
    263,012.80/394,519.20 = 157,777.60/x
  3. Step 3: Cross multiply
    263,012.80x = 394,519.20 × 157,777.60
  4. Step 4: Simplify right side
    263,012.80x = 62,246,292,529.92
  5. Step 5: Solve for x
    x = 62,246,292,529.92/263,012.80
  6. Step 6: Final answer
    x = 236,666.40

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