Finding the Fourth Proportional to 9,105.96, 13,663.22 and 4,721.04

Step by Step Solution

1. Step 1: Write the proportion equation
   9,105.96 : 13,663.22 = 4,721.04 : x
2. Step 2: Convert to fraction form
   9,105.96/13,663.22 = 4,721.04/x
3. Step 3: Cross multiply
   9,105.96x = 13,663.22 × 4,721.04
4. Step 4: Simplify right side
   9,105.96x = 64,504,608.15
5. Step 5: Solve for x
   x = 64,504,608.15/9,105.96
6. Step 6: Final answer
   x = 7,083.78