Finding the Fourth Proportional to 11,085.25, 16,631 and 4,516.15

Step by Step Solution

1. Step 1: Write the proportion equation
   11,085.25 : 16,631 = 4,516.15 : x
2. Step 2: Convert to fraction form
   11,085.25/16,631 = 4,516.15/x
3. Step 3: Cross multiply
   11,085.25x = 16,631 × 4,516.15
4. Step 4: Simplify right side
   11,085.25x = 75,108,090.65
5. Step 5: Solve for x
   x = 75,108,090.65/11,085.25
6. Step 6: Final answer
   x = 6,775.50