Finding the Fourth Proportional to 6,267.96, 8,648.76 and 3,615.72

Step by Step Solution

1. Step 1: Write the proportion equation
   6,267.96 : 8,648.76 = 3,615.72 : x
2. Step 2: Convert to fraction form
   6,267.96/8,648.76 = 3,615.72/x
3. Step 3: Cross multiply
   6,267.96x = 8,648.76 × 3,615.72
4. Step 4: Simplify right side
   6,267.96x = 31,271,494.51
5. Step 5: Solve for x
   x = 31,271,494.51/6,267.96
6. Step 6: Final answer
   x = 4,989.10