Finding the Fourth Proportional to 22,167.90, 30,594.78 and 12,736.26

Step by Step Solution

1. Step 1: Write the proportion equation
   22,167.90 : 30,594.78 = 12,736.26 : x
2. Step 2: Convert to fraction form
   22,167.90/30,594.78 = 12,736.26/x
3. Step 3: Cross multiply
   22,167.90x = 30,594.78 × 12,736.26
4. Step 4: Simplify right side
   22,167.90x = 389,663,072.72
5. Step 5: Solve for x
   x = 389,663,072.72/22,167.90
6. Step 6: Final answer
   x = 17,577.81