Finding the Fourth Proportional to 6,245.72, 8,617.82 and 3,727.02

Step by Step Solution

1. Step 1: Write the proportion equation
   6,245.72 : 8,617.82 = 3,727.02 : x
2. Step 2: Convert to fraction form
   6,245.72/8,617.82 = 3,727.02/x
3. Step 3: Cross multiply
   6,245.72x = 8,617.82 × 3,727.02
4. Step 4: Simplify right side
   6,245.72x = 32,118,768.86
5. Step 5: Solve for x
   x = 32,118,768.86/6,245.72
6. Step 6: Final answer
   x = 5,142.53