Finding the Fourth Proportional to 31,529.85, 43,510.53 and 17,382.72

Step by Step Solution

1. Step 1: Write the proportion equation
   31,529.85 : 43,510.53 = 17,382.72 : x
2. Step 2: Convert to fraction form
   31,529.85/43,510.53 = 17,382.72/x
3. Step 3: Cross multiply
   31,529.85x = 43,510.53 × 17,382.72
4. Step 4: Simplify right side
   31,529.85x = 756,331,360.04
5. Step 5: Solve for x
   x = 756,331,360.04/31,529.85
6. Step 6: Final answer
   x = 23,987.79