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Finding the Fourth Proportional to 356,490.24, 491,943.96 and 213,165.60

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Solution

The fourth proportional to 356,490.24, 491,943.96 and 213,165.60 is: 294,161.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,490.24 : 491,943.96 = 213,165.60 : x
  2. Step 2: Convert to fraction form
    356,490.24/491,943.96 = 213,165.60/x
  3. Step 3: Cross multiply
    356,490.24x = 491,943.96 × 213,165.60
  4. Step 4: Simplify right side
    356,490.24x = 104,865,529,399.78
  5. Step 5: Solve for x
    x = 104,865,529,399.78/356,490.24
  6. Step 6: Final answer
    x = 294,161.01

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