Finding the Fourth Proportional to 9,018.27, 12,441.74 and 5,480.19

Step by Step Solution

1. Step 1: Write the proportion equation
   9,018.27 : 12,441.74 = 5,480.19 : x
2. Step 2: Convert to fraction form
   9,018.27/12,441.74 = 5,480.19/x
3. Step 3: Cross multiply
   9,018.27x = 12,441.74 × 5,480.19
4. Step 4: Simplify right side
   9,018.27x = 68,183,071.73
5. Step 5: Solve for x
   x = 68,183,071.73/9,018.27
6. Step 6: Final answer
   x = 7,560.55