Finding the Fourth Proportional to 10,080.37, 13,892.83 and 8,198.18

Step by Step Solution

1. Step 1: Write the proportion equation
   10,080.37 : 13,892.83 = 8,198.18 : x
2. Step 2: Convert to fraction form
   10,080.37/13,892.83 = 8,198.18/x
3. Step 3: Cross multiply
   10,080.37x = 13,892.83 × 8,198.18
4. Step 4: Simplify right side
   10,080.37x = 113,895,921.05
5. Step 5: Solve for x
   x = 113,895,921.05/10,080.37
6. Step 6: Final answer
   x = 11,298.78