Finding the Fourth Proportional to 6,242.94, 8,612.55 and 3,757.50

Step by Step Solution

1. Step 1: Write the proportion equation
   6,242.94 : 8,612.55 = 3,757.50 : x
2. Step 2: Convert to fraction form
   6,242.94/8,612.55 = 3,757.50/x
3. Step 3: Cross multiply
   6,242.94x = 8,612.55 × 3,757.50
4. Step 4: Simplify right side
   6,242.94x = 32,361,656.63
5. Step 5: Solve for x
   x = 32,361,656.63/6,242.94
6. Step 6: Final answer
   x = 5,183.72