Finding the Fourth Proportional to 31,468.50, 43,428.42 and 17,321.04

Step by Step Solution

1. Step 1: Write the proportion equation
   31,468.50 : 43,428.42 = 17,321.04 : x
2. Step 2: Convert to fraction form
   31,468.50/43,428.42 = 17,321.04/x
3. Step 3: Cross multiply
   31,468.50x = 43,428.42 × 17,321.04
4. Step 4: Simplify right side
   31,468.50x = 752,225,399.96
5. Step 5: Solve for x
   x = 752,225,399.96/31,468.50
6. Step 6: Final answer
   x = 23,904.08