Finding the Fourth Proportional to 11,797.35, 16,280.18 and 8,785.94

Step by Step Solution

1. Step 1: Write the proportion equation
   11,797.35 : 16,280.18 = 8,785.94 : x
2. Step 2: Convert to fraction form
   11,797.35/16,280.18 = 8,785.94/x
3. Step 3: Cross multiply
   11,797.35x = 16,280.18 × 8,785.94
4. Step 4: Simplify right side
   11,797.35x = 143,036,559.34
5. Step 5: Solve for x
   x = 143,036,559.34/11,797.35
6. Step 6: Final answer
   x = 12,124.47