Finding the Fourth Proportional to 31,380.15, 43,304.89 and 17,233.10

Step by Step Solution

1. Step 1: Write the proportion equation
   31,380.15 : 43,304.89 = 17,233.10 : x
2. Step 2: Convert to fraction form
   31,380.15/43,304.89 = 17,233.10/x
3. Step 3: Cross multiply
   31,380.15x = 43,304.89 × 17,233.10
4. Step 4: Simplify right side
   31,380.15x = 746,277,499.86
5. Step 5: Solve for x
   x = 746,277,499.86/31,380.15
6. Step 6: Final answer
   x = 23,781.83