Finding the Fourth Proportional to 31,579.69, 43,579.98 and 17,432.54

Step by Step Solution

1. Step 1: Write the proportion equation
   31,579.69 : 43,579.98 = 17,432.54 : x
2. Step 2: Convert to fraction form
   31,579.69/43,579.98 = 17,432.54/x
3. Step 3: Cross multiply
   31,579.69x = 43,579.98 × 17,432.54
4. Step 4: Simplify right side
   31,579.69x = 759,709,744.55
5. Step 5: Solve for x
   x = 759,709,744.55/31,579.69
6. Step 6: Final answer
   x = 24,056.91