Finding the Fourth Proportional to 9,105.24, 13,658.04 and 3,911.16

Step by Step Solution

1. Step 1: Write the proportion equation
   9,105.24 : 13,658.04 = 3,911.16 : x
2. Step 2: Convert to fraction form
   9,105.24/13,658.04 = 3,911.16/x
3. Step 3: Cross multiply
   9,105.24x = 13,658.04 × 3,911.16
4. Step 4: Simplify right side
   9,105.24x = 53,418,779.73
5. Step 5: Solve for x
   x = 53,418,779.73/9,105.24
6. Step 6: Final answer
   x = 5,866.82