Finding the Fourth Proportional to 22,543.82, 31,110.18 and 12,471.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,543.82 : 31,110.18 = 12,471.50 : x
2. Step 2: Convert to fraction form
   22,543.82/31,110.18 = 12,471.50/x
3. Step 3: Cross multiply
   22,543.82x = 31,110.18 × 12,471.50
4. Step 4: Simplify right side
   22,543.82x = 387,990,609.87
5. Step 5: Solve for x
   x = 387,990,609.87/22,543.82
6. Step 6: Final answer
   x = 17,210.51