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Finding the Fourth Proportional to 348,545.80, 522,807.90 and 99,227.80

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Solution

The fourth proportional to 348,545.80, 522,807.90 and 99,227.80 is: 148,838.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,545.80 : 522,807.90 = 99,227.80 : x
  2. Step 2: Convert to fraction form
    348,545.80/522,807.90 = 99,227.80/x
  3. Step 3: Cross multiply
    348,545.80x = 522,807.90 × 99,227.80
  4. Step 4: Simplify right side
    348,545.80x = 51,877,077,739.62
  5. Step 5: Solve for x
    x = 51,877,077,739.62/348,545.80
  6. Step 6: Final answer
    x = 148,838.63

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