Finding the Fourth Proportional to 22,522.13, 31,081.25 and 12,450.89

Step by Step Solution

1. Step 1: Write the proportion equation
   22,522.13 : 31,081.25 = 12,450.89 : x
2. Step 2: Convert to fraction form
   22,522.13/31,081.25 = 12,450.89/x
3. Step 3: Cross multiply
   22,522.13x = 31,081.25 × 12,450.89
4. Step 4: Simplify right side
   22,522.13x = 386,989,224.81
5. Step 5: Solve for x
   x = 386,989,224.81/22,522.13
6. Step 6: Final answer
   x = 17,182.62