Finding the Fourth Proportional to 22,113.96, 30,517.38 and 12,684.84

Step by Step Solution

1. Step 1: Write the proportion equation
   22,113.96 : 30,517.38 = 12,684.84 : x
2. Step 2: Convert to fraction form
   22,113.96/30,517.38 = 12,684.84/x
3. Step 3: Cross multiply
   22,113.96x = 30,517.38 × 12,684.84
4. Step 4: Simplify right side
   22,113.96x = 387,108,082.52
5. Step 5: Solve for x
   x = 387,108,082.52/22,113.96
6. Step 6: Final answer
   x = 17,505.15