Finding the Fourth Proportional to 8,341.72, 11,506.56 and 5,509.12

Step by Step Solution

1. Step 1: Write the proportion equation
   8,341.72 : 11,506.56 = 5,509.12 : x
2. Step 2: Convert to fraction form
   8,341.72/11,506.56 = 5,509.12/x
3. Step 3: Cross multiply
   8,341.72x = 11,506.56 × 5,509.12
4. Step 4: Simplify right side
   8,341.72x = 63,391,019.83
5. Step 5: Solve for x
   x = 63,391,019.83/8,341.72
6. Step 6: Final answer
   x = 7,599.27