Finding the Fourth Proportional to 22,581.96, 31,162.68 and 12,510.18

Step by Step Solution

1. Step 1: Write the proportion equation
   22,581.96 : 31,162.68 = 12,510.18 : x
2. Step 2: Convert to fraction form
   22,581.96/31,162.68 = 12,510.18/x
3. Step 3: Cross multiply
   22,581.96x = 31,162.68 × 12,510.18
4. Step 4: Simplify right side
   22,581.96x = 389,850,736.08
5. Step 5: Solve for x
   x = 389,850,736.08/22,581.96
6. Step 6: Final answer
   x = 17,263.81