Finding the Fourth Proportional to 6,557.22, 9,049.18 and 3,724.72

Step by Step Solution

1. Step 1: Write the proportion equation
   6,557.22 : 9,049.18 = 3,724.72 : x
2. Step 2: Convert to fraction form
   6,557.22/9,049.18 = 3,724.72/x
3. Step 3: Cross multiply
   6,557.22x = 9,049.18 × 3,724.72
4. Step 4: Simplify right side
   6,557.22x = 33,705,661.73
5. Step 5: Solve for x
   x = 33,705,661.73/6,557.22
6. Step 6: Final answer
   x = 5,140.24