Finding the Fourth Proportional to 8,081.31, 11,152.15 and 4,544.55

Step by Step Solution

1. Step 1: Write the proportion equation
   8,081.31 : 11,152.15 = 4,544.55 : x
2. Step 2: Convert to fraction form
   8,081.31/11,152.15 = 4,544.55/x
3. Step 3: Cross multiply
   8,081.31x = 11,152.15 × 4,544.55
4. Step 4: Simplify right side
   8,081.31x = 50,681,503.28
5. Step 5: Solve for x
   x = 50,681,503.28/8,081.31
6. Step 6: Final answer
   x = 6,271.45