Finding the Fourth Proportional to 22,131.26, 30,540.74 and 12,059.78

Step by Step Solution

1. Step 1: Write the proportion equation
   22,131.26 : 30,540.74 = 12,059.78 : x
2. Step 2: Convert to fraction form
   22,131.26/30,540.74 = 12,059.78/x
3. Step 3: Cross multiply
   22,131.26x = 30,540.74 × 12,059.78
4. Step 4: Simplify right side
   22,131.26x = 368,314,392.43
5. Step 5: Solve for x
   x = 368,314,392.43/22,131.26
6. Step 6: Final answer
   x = 16,642.27