Finding the Fourth Proportional to 8,002.17, 12,003.02 and 2,159.13

Step by Step Solution

1. Step 1: Write the proportion equation
   8,002.17 : 12,003.02 = 2,159.13 : x
2. Step 2: Convert to fraction form
   8,002.17/12,003.02 = 2,159.13/x
3. Step 3: Cross multiply
   8,002.17x = 12,003.02 × 2,159.13
4. Step 4: Simplify right side
   8,002.17x = 25,916,069.78
5. Step 5: Solve for x
   x = 25,916,069.78/8,002.17
6. Step 6: Final answer
   x = 3,238.63