Finding the Fourth Proportional to 6,445.86, 8,894.52 and 3,613.38

Step by Step Solution

1. Step 1: Write the proportion equation
   6,445.86 : 8,894.52 = 3,613.38 : x
2. Step 2: Convert to fraction form
   6,445.86/8,894.52 = 3,613.38/x
3. Step 3: Cross multiply
   6,445.86x = 8,894.52 × 3,613.38
4. Step 4: Simplify right side
   6,445.86x = 32,139,280.68
5. Step 5: Solve for x
   x = 32,139,280.68/6,445.86
6. Step 6: Final answer
   x = 4,986.03