Finding the Fourth Proportional to 8,310.72, 12,468.38 and 3,629.86

Step by Step Solution

1. Step 1: Write the proportion equation
   8,310.72 : 12,468.38 = 3,629.86 : x
2. Step 2: Convert to fraction form
   8,310.72/12,468.38 = 3,629.86/x
3. Step 3: Cross multiply
   8,310.72x = 12,468.38 × 3,629.86
4. Step 4: Simplify right side
   8,310.72x = 45,258,473.83
5. Step 5: Solve for x
   x = 45,258,473.83/8,310.72
6. Step 6: Final answer
   x = 5,445.79