Finding the Fourth Proportional to 22,662.22, 31,278.86 and 12,594.12

Step by Step Solution

1. Step 1: Write the proportion equation
   22,662.22 : 31,278.86 = 12,594.12 : x
2. Step 2: Convert to fraction form
   22,662.22/31,278.86 = 12,594.12/x
3. Step 3: Cross multiply
   22,662.22x = 31,278.86 × 12,594.12
4. Step 4: Simplify right side
   22,662.22x = 393,929,716.30
5. Step 5: Solve for x
   x = 393,929,716.30/22,662.22
6. Step 6: Final answer
   x = 17,382.66