Finding the Fourth Proportional to 22,113.98, 30,516.98 and 12,553.78

Step by Step Solution

1. Step 1: Write the proportion equation
   22,113.98 : 30,516.98 = 12,553.78 : x
2. Step 2: Convert to fraction form
   22,113.98/30,516.98 = 12,553.78/x
3. Step 3: Cross multiply
   22,113.98x = 30,516.98 × 12,553.78
4. Step 4: Simplify right side
   22,113.98x = 383,103,408.28
5. Step 5: Solve for x
   x = 383,103,408.28/22,113.98
6. Step 6: Final answer
   x = 17,324.04