Finding the Fourth Proportional to 17,196.88, 25,785.60 and 8,435.92

Step by Step Solution

1. Step 1: Write the proportion equation
   17,196.88 : 25,785.60 = 8,435.92 : x
2. Step 2: Convert to fraction form
   17,196.88/25,785.60 = 8,435.92/x
3. Step 3: Cross multiply
   17,196.88x = 25,785.60 × 8,435.92
4. Step 4: Simplify right side
   17,196.88x = 217,525,258.75
5. Step 5: Solve for x
   x = 217,525,258.75/17,196.88
6. Step 6: Final answer
   x = 12,649.11