Finding the Fourth Proportional to 8,807.06, 12,081.38 and 8,330.41

Step by Step Solution

1. Step 1: Write the proportion equation
   8,807.06 : 12,081.38 = 8,330.41 : x
2. Step 2: Convert to fraction form
   8,807.06/12,081.38 = 8,330.41/x
3. Step 3: Cross multiply
   8,807.06x = 12,081.38 × 8,330.41
4. Step 4: Simplify right side
   8,807.06x = 100,642,822.22
5. Step 5: Solve for x
   x = 100,642,822.22/8,807.06
6. Step 6: Final answer
   x = 11,427.51