Finding the Fourth Proportional to 22,552.35, 31,121.48 and 12,481.22

Step by Step Solution

1. Step 1: Write the proportion equation
   22,552.35 : 31,121.48 = 12,481.22 : x
2. Step 2: Convert to fraction form
   22,552.35/31,121.48 = 12,481.22/x
3. Step 3: Cross multiply
   22,552.35x = 31,121.48 × 12,481.22
4. Step 4: Simplify right side
   22,552.35x = 388,433,820.59
5. Step 5: Solve for x
   x = 388,433,820.59/22,552.35
6. Step 6: Final answer
   x = 17,223.65