Finding the Fourth Proportional to 31,500.96, 43,472.12 and 17,161.28

Step by Step Solution

1. Step 1: Write the proportion equation
   31,500.96 : 43,472.12 = 17,161.28 : x
2. Step 2: Convert to fraction form
   31,500.96/43,472.12 = 17,161.28/x
3. Step 3: Cross multiply
   31,500.96x = 43,472.12 × 17,161.28
4. Step 4: Simplify right side
   31,500.96x = 746,037,223.51
5. Step 5: Solve for x
   x = 746,037,223.51/31,500.96
6. Step 6: Final answer
   x = 23,683.00