Finding the Fourth Proportional to 11,411.91, 17,093.60 and 5,480.06

Step by Step Solution

1. Step 1: Write the proportion equation
   11,411.91 : 17,093.60 = 5,480.06 : x
2. Step 2: Convert to fraction form
   11,411.91/17,093.60 = 5,480.06/x
3. Step 3: Cross multiply
   11,411.91x = 17,093.60 × 5,480.06
4. Step 4: Simplify right side
   11,411.91x = 93,673,840.75
5. Step 5: Solve for x
   x = 93,673,840.75/11,411.91
6. Step 6: Final answer
   x = 8,208.43