Finding the Fourth Proportional to 22,581.48, 31,161.56 and 12,510.35

Step by Step Solution

1. Step 1: Write the proportion equation
   22,581.48 : 31,161.56 = 12,510.35 : x
2. Step 2: Convert to fraction form
   22,581.48/31,161.56 = 12,510.35/x
3. Step 3: Cross multiply
   22,581.48x = 31,161.56 × 12,510.35
4. Step 4: Simplify right side
   22,581.48x = 389,842,022.15
5. Step 5: Solve for x
   x = 389,842,022.15/22,581.48
6. Step 6: Final answer
   x = 17,263.79