Finding the Fourth Proportional to 11,054.05, 16,585.04 and 5,506.90

Step by Step Solution

1. Step 1: Write the proportion equation
   11,054.05 : 16,585.04 = 5,506.90 : x
2. Step 2: Convert to fraction form
   11,054.05/16,585.04 = 5,506.90/x
3. Step 3: Cross multiply
   11,054.05x = 16,585.04 × 5,506.90
4. Step 4: Simplify right side
   11,054.05x = 91,332,156.78
5. Step 5: Solve for x
   x = 91,332,156.78/11,054.05
6. Step 6: Final answer
   x = 8,262.33