Finding the Fourth Proportional to 8,002.63, 12,003.81 and 3,617.02

Step by Step Solution

1. Step 1: Write the proportion equation
   8,002.63 : 12,003.81 = 3,617.02 : x
2. Step 2: Convert to fraction form
   8,002.63/12,003.81 = 3,617.02/x
3. Step 3: Cross multiply
   8,002.63x = 12,003.81 × 3,617.02
4. Step 4: Simplify right side
   8,002.63x = 43,418,020.85
5. Step 5: Solve for x
   x = 43,418,020.85/8,002.63
6. Step 6: Final answer
   x = 5,425.47