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Finding the Fourth Proportional to 376,957.80, 520,198.20 and 215,841.24

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Solution

The fourth proportional to 376,957.80, 520,198.20 and 215,841.24 is: 297,858.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,957.80 : 520,198.20 = 215,841.24 : x
  2. Step 2: Convert to fraction form
    376,957.80/520,198.20 = 215,841.24/x
  3. Step 3: Cross multiply
    376,957.80x = 520,198.20 × 215,841.24
  4. Step 4: Simplify right side
    376,957.80x = 112,280,224,533.77
  5. Step 5: Solve for x
    x = 112,280,224,533.77/376,957.80
  6. Step 6: Final answer
    x = 297,858.87

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