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Finding the Fourth Proportional to 337,190.80, 505,786.20 and 87,872.80

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Solution

The fourth proportional to 337,190.80, 505,786.20 and 87,872.80 is: 131,809.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,190.80 : 505,786.20 = 87,872.80 : x
  2. Step 2: Convert to fraction form
    337,190.80/505,786.20 = 87,872.80/x
  3. Step 3: Cross multiply
    337,190.80x = 505,786.20 × 87,872.80
  4. Step 4: Simplify right side
    337,190.80x = 44,444,849,595.36
  5. Step 5: Solve for x
    x = 44,444,849,595.36/337,190.80
  6. Step 6: Final answer
    x = 131,809.20

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