Finding the Fourth Proportional to 6,322.76, 8,725.78 and 3,669.20

Step by Step Solution

1. Step 1: Write the proportion equation
   6,322.76 : 8,725.78 = 3,669.20 : x
2. Step 2: Convert to fraction form
   6,322.76/8,725.78 = 3,669.20/x
3. Step 3: Cross multiply
   6,322.76x = 8,725.78 × 3,669.20
4. Step 4: Simplify right side
   6,322.76x = 32,016,631.98
5. Step 5: Solve for x
   x = 32,016,631.98/6,322.76
6. Step 6: Final answer
   x = 5,063.71