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Finding the Fourth Proportional to 259,073.89, 388,624.71 and 81,594.73

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Solution

The fourth proportional to 259,073.89, 388,624.71 and 81,594.73 is: 122,396.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,073.89 : 388,624.71 = 81,594.73 : x
  2. Step 2: Convert to fraction form
    259,073.89/388,624.71 = 81,594.73/x
  3. Step 3: Cross multiply
    259,073.89x = 388,624.71 × 81,594.73
  4. Step 4: Simplify right side
    259,073.89x = 31,709,728,283.78
  5. Step 5: Solve for x
    x = 31,709,728,283.78/259,073.89
  6. Step 6: Final answer
    x = 122,396.46

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