Finding the Fourth Proportional to 12,435.27, 17,131.49 and 8,651.93

Step by Step Solution

1. Step 1: Write the proportion equation
   12,435.27 : 17,131.49 = 8,651.93 : x
2. Step 2: Convert to fraction form
   12,435.27/17,131.49 = 8,651.93/x
3. Step 3: Cross multiply
   12,435.27x = 17,131.49 × 8,651.93
4. Step 4: Simplify right side
   12,435.27x = 148,220,367.73
5. Step 5: Solve for x
   x = 148,220,367.73/12,435.27
6. Step 6: Final answer
   x = 11,919.36