Finding the Fourth Proportional to 22,649.75, 31,256.57 and 12,577.94

Step by Step Solution

1. Step 1: Write the proportion equation
   22,649.75 : 31,256.57 = 12,577.94 : x
2. Step 2: Convert to fraction form
   22,649.75/31,256.57 = 12,577.94/x
3. Step 3: Cross multiply
   22,649.75x = 31,256.57 × 12,577.94
4. Step 4: Simplify right side
   22,649.75x = 393,143,042.89
5. Step 5: Solve for x
   x = 393,143,042.89/22,649.75
6. Step 6: Final answer
   x = 17,357.50