Finding the Fourth Proportional to 11,778.42, 16,268.61 and 8,807.46

Step by Step Solution

1. Step 1: Write the proportion equation
   11,778.42 : 16,268.61 = 8,807.46 : x
2. Step 2: Convert to fraction form
   11,778.42/16,268.61 = 8,807.46/x
3. Step 3: Cross multiply
   11,778.42x = 16,268.61 × 8,807.46
4. Step 4: Simplify right side
   11,778.42x = 143,285,131.83
5. Step 5: Solve for x
   x = 143,285,131.83/11,778.42
6. Step 6: Final answer
   x = 12,165.06