Finding the Fourth Proportional to 16,906.88, 25,361.82 and 4,426.88

Step by Step Solution

1. Step 1: Write the proportion equation
   16,906.88 : 25,361.82 = 4,426.88 : x
2. Step 2: Convert to fraction form
   16,906.88/25,361.82 = 4,426.88/x
3. Step 3: Cross multiply
   16,906.88x = 25,361.82 × 4,426.88
4. Step 4: Simplify right side
   16,906.88x = 112,273,733.72
5. Step 5: Solve for x
   x = 112,273,733.72/16,906.88
6. Step 6: Final answer
   x = 6,640.71