Finding the Fourth Proportional to 22,821.57, 31,493.41 and 12,750.15

Step by Step Solution

1. Step 1: Write the proportion equation
   22,821.57 : 31,493.41 = 12,750.15 : x
2. Step 2: Convert to fraction form
   22,821.57/31,493.41 = 12,750.15/x
3. Step 3: Cross multiply
   22,821.57x = 31,493.41 × 12,750.15
4. Step 4: Simplify right side
   22,821.57x = 401,545,701.51
5. Step 5: Solve for x
   x = 401,545,701.51/22,821.57
6. Step 6: Final answer
   x = 17,595.01