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Finding the Fourth Proportional to 345,800.45, 518,701.64 and 132,633.71

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Solution

The fourth proportional to 345,800.45, 518,701.64 and 132,633.71 is: 198,950.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,800.45 : 518,701.64 = 132,633.71 : x
  2. Step 2: Convert to fraction form
    345,800.45/518,701.64 = 132,633.71/x
  3. Step 3: Cross multiply
    345,800.45x = 518,701.64 × 132,633.71
  4. Step 4: Simplify right side
    345,800.45x = 68,797,320,136.98
  5. Step 5: Solve for x
    x = 68,797,320,136.98/345,800.45
  6. Step 6: Final answer
    x = 198,950.93

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