Finding the Fourth Proportional to 8,002.76, 12,003.98 and 3,617.15

Step by Step Solution

1. Step 1: Write the proportion equation
   8,002.76 : 12,003.98 = 3,617.15 : x
2. Step 2: Convert to fraction form
   8,002.76/12,003.98 = 3,617.15/x
3. Step 3: Cross multiply
   8,002.76x = 12,003.98 × 3,617.15
4. Step 4: Simplify right side
   8,002.76x = 43,420,118.15
5. Step 5: Solve for x
   x = 43,420,118.15/8,002.76
6. Step 6: Final answer
   x = 5,425.65