Finding the Fourth Proportional to 22,821.89, 31,495.43 and 12,750.53

Step by Step Solution

1. Step 1: Write the proportion equation
   22,821.89 : 31,495.43 = 12,750.53 : x
2. Step 2: Convert to fraction form
   22,821.89/31,495.43 = 12,750.53/x
3. Step 3: Cross multiply
   22,821.89x = 31,495.43 × 12,750.53
4. Step 4: Simplify right side
   22,821.89x = 401,583,361.33
5. Step 5: Solve for x
   x = 401,583,361.33/22,821.89
6. Step 6: Final answer
   x = 17,596.41