Finding the Fourth Proportional to 22,623.73, 31,220.82 and 12,552.37

Step by Step Solution

1. Step 1: Write the proportion equation
   22,623.73 : 31,220.82 = 12,552.37 : x
2. Step 2: Convert to fraction form
   22,623.73/31,220.82 = 12,552.37/x
3. Step 3: Cross multiply
   22,623.73x = 31,220.82 × 12,552.37
4. Step 4: Simplify right side
   22,623.73x = 391,895,284.34
5. Step 5: Solve for x
   x = 391,895,284.34/22,623.73
6. Step 6: Final answer
   x = 17,322.31