Finding the Fourth Proportional to 6,445.32, 8,895.25 and 3,613.15

Step by Step Solution

1. Step 1: Write the proportion equation
   6,445.32 : 8,895.25 = 3,613.15 : x
2. Step 2: Convert to fraction form
   6,445.32/8,895.25 = 3,613.15/x
3. Step 3: Cross multiply
   6,445.32x = 8,895.25 × 3,613.15
4. Step 4: Simplify right side
   6,445.32x = 32,139,872.54
5. Step 5: Solve for x
   x = 32,139,872.54/6,445.32
6. Step 6: Final answer
   x = 4,986.54