Finding the Fourth Proportional to 9,105.24, 13,661.28 and 4,719.96

Step by Step Solution

1. Step 1: Write the proportion equation
   9,105.24 : 13,661.28 = 4,719.96 : x
2. Step 2: Convert to fraction form
   9,105.24/13,661.28 = 4,719.96/x
3. Step 3: Cross multiply
   9,105.24x = 13,661.28 × 4,719.96
4. Step 4: Simplify right side
   9,105.24x = 64,480,695.15
5. Step 5: Solve for x
   x = 64,480,695.15/9,105.24
6. Step 6: Final answer
   x = 7,081.71