Finding the Fourth Proportional to 11,085.42, 16,619.36 and 5,535.71

Step by Step Solution

1. Step 1: Write the proportion equation
   11,085.42 : 16,619.36 = 5,535.71 : x
2. Step 2: Convert to fraction form
   11,085.42/16,619.36 = 5,535.71/x
3. Step 3: Cross multiply
   11,085.42x = 16,619.36 × 5,535.71
4. Step 4: Simplify right side
   11,085.42x = 91,999,846.57
5. Step 5: Solve for x
   x = 91,999,846.57/11,085.42
6. Step 6: Final answer
   x = 8,299.18