Finding the Fourth Proportional to 11,008.26, 16,502.52 and 3,986.61

Step by Step Solution

1. Step 1: Write the proportion equation
   11,008.26 : 16,502.52 = 3,986.61 : x
2. Step 2: Convert to fraction form
   11,008.26/16,502.52 = 3,986.61/x
3. Step 3: Cross multiply
   11,008.26x = 16,502.52 × 3,986.61
4. Step 4: Simplify right side
   11,008.26x = 65,789,111.26
5. Step 5: Solve for x
   x = 65,789,111.26/11,008.26
6. Step 6: Final answer
   x = 5,976.34