Finding the Fourth Proportional to 13,411.08, 20,118.94 and 5,517.94

Step by Step Solution

1. Step 1: Write the proportion equation
   13,411.08 : 20,118.94 = 5,517.94 : x
2. Step 2: Convert to fraction form
   13,411.08/20,118.94 = 5,517.94/x
3. Step 3: Cross multiply
   13,411.08x = 20,118.94 × 5,517.94
4. Step 4: Simplify right side
   13,411.08x = 111,015,003.19
5. Step 5: Solve for x
   x = 111,015,003.19/13,411.08
6. Step 6: Final answer
   x = 8,277.86