Finding the Fourth Proportional to 9,048.72, 13,634.72 and 7,441.28

Step by Step Solution

1. Step 1: Write the proportion equation
   9,048.72 : 13,634.72 = 7,441.28 : x
2. Step 2: Convert to fraction form
   9,048.72/13,634.72 = 7,441.28/x
3. Step 3: Cross multiply
   9,048.72x = 13,634.72 × 7,441.28
4. Step 4: Simplify right side
   9,048.72x = 101,459,769.24
5. Step 5: Solve for x
   x = 101,459,769.24/9,048.72
6. Step 6: Final answer
   x = 11,212.61