Finding the Fourth Proportional to 22,114.17, 30,517.16 and 12,681.99

Step by Step Solution

1. Step 1: Write the proportion equation
   22,114.17 : 30,517.16 = 12,681.99 : x
2. Step 2: Convert to fraction form
   22,114.17/30,517.16 = 12,681.99/x
3. Step 3: Cross multiply
   22,114.17x = 30,517.16 × 12,681.99
4. Step 4: Simplify right side
   22,114.17x = 387,018,254.54
5. Step 5: Solve for x
   x = 387,018,254.54/22,114.17
6. Step 6: Final answer
   x = 17,500.92