Finding the Fourth Proportional to 22,114.89, 30,521.34 and 12,683.25

Step by Step Solution

1. Step 1: Write the proportion equation
   22,114.89 : 30,521.34 = 12,683.25 : x
2. Step 2: Convert to fraction form
   22,114.89/30,521.34 = 12,683.25/x
3. Step 3: Cross multiply
   22,114.89x = 30,521.34 × 12,683.25
4. Step 4: Simplify right side
   22,114.89x = 387,109,785.56
5. Step 5: Solve for x
   x = 387,109,785.56/22,114.89
6. Step 6: Final answer
   x = 17,504.49