Finding the Fourth Proportional to 13,468.72, 20,205.82 and 5,677.52

Step by Step Solution

1. Step 1: Write the proportion equation
   13,468.72 : 20,205.82 = 5,677.52 : x
2. Step 2: Convert to fraction form
   13,468.72/20,205.82 = 5,677.52/x
3. Step 3: Cross multiply
   13,468.72x = 20,205.82 × 5,677.52
4. Step 4: Simplify right side
   13,468.72x = 114,718,947.17
5. Step 5: Solve for x
   x = 114,718,947.17/13,468.72
6. Step 6: Final answer
   x = 8,517.44