Finding the Fourth Proportional to 11,086.61, 15,292.87 and 8,098.79

Step by Step Solution

1. Step 1: Write the proportion equation
   11,086.61 : 15,292.87 = 8,098.79 : x
2. Step 2: Convert to fraction form
   11,086.61/15,292.87 = 8,098.79/x
3. Step 3: Cross multiply
   11,086.61x = 15,292.87 × 8,098.79
4. Step 4: Simplify right side
   11,086.61x = 123,853,645.92
5. Step 5: Solve for x
   x = 123,853,645.92/11,086.61
6. Step 6: Final answer
   x = 11,171.47