Finding the Fourth Proportional to 22,864.47, 31,551.24 and 12,791.06

Step by Step Solution

1. Step 1: Write the proportion equation
   22,864.47 : 31,551.24 = 12,791.06 : x
2. Step 2: Convert to fraction form
   22,864.47/31,551.24 = 12,791.06/x
3. Step 3: Cross multiply
   22,864.47x = 31,551.24 × 12,791.06
4. Step 4: Simplify right side
   22,864.47x = 403,573,646.16
5. Step 5: Solve for x
   x = 403,573,646.16/22,864.47
6. Step 6: Final answer
   x = 17,650.69