Finding the Fourth Proportional to 31,579.62, 43,579.98 and 17,432.43

Step by Step Solution

1. Step 1: Write the proportion equation
   31,579.62 : 43,579.98 = 17,432.43 : x
2. Step 2: Convert to fraction form
   31,579.62/43,579.98 = 17,432.43/x
3. Step 3: Cross multiply
   31,579.62x = 43,579.98 × 17,432.43
4. Step 4: Simplify right side
   31,579.62x = 759,704,950.75
5. Step 5: Solve for x
   x = 759,704,950.75/31,579.62
6. Step 6: Final answer
   x = 24,056.81