Finding the Fourth Proportional to 10,808.10, 16,198.51 and 5,798.05

Step by Step Solution

1. Step 1: Write the proportion equation
   10,808.10 : 16,198.51 = 5,798.05 : x
2. Step 2: Convert to fraction form
   10,808.10/16,198.51 = 5,798.05/x
3. Step 3: Cross multiply
   10,808.10x = 16,198.51 × 5,798.05
4. Step 4: Simplify right side
   10,808.10x = 93,919,770.91
5. Step 5: Solve for x
   x = 93,919,770.91/10,808.10
6. Step 6: Final answer
   x = 8,689.76