Finding the Fourth Proportional to 22,471.12, 31,008.94 and 12,397.59

Step by Step Solution

1. Step 1: Write the proportion equation
   22,471.12 : 31,008.94 = 12,397.59 : x
2. Step 2: Convert to fraction form
   22,471.12/31,008.94 = 12,397.59/x
3. Step 3: Cross multiply
   22,471.12x = 31,008.94 × 12,397.59
4. Step 4: Simplify right side
   22,471.12x = 384,436,124.45
5. Step 5: Solve for x
   x = 384,436,124.45/22,471.12
6. Step 6: Final answer
   x = 17,108.01