Finding the Fourth Proportional to 11,049.18, 16,562.15 and 5,419.07

Step by Step Solution

1. Step 1: Write the proportion equation
   11,049.18 : 16,562.15 = 5,419.07 : x
2. Step 2: Convert to fraction form
   11,049.18/16,562.15 = 5,419.07/x
3. Step 3: Cross multiply
   11,049.18x = 16,562.15 × 5,419.07
4. Step 4: Simplify right side
   11,049.18x = 89,751,340.29
5. Step 5: Solve for x
   x = 89,751,340.29/11,049.18
6. Step 6: Final answer
   x = 8,122.90