Finding the Fourth Proportional to 2,002.17, 3,003.36 and 1,309.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,002.17 : 3,003.36 = 1,309.22 : x
2. Step 2: Convert to fraction form
   2,002.17/3,003.36 = 1,309.22/x
3. Step 3: Cross multiply
   2,002.17x = 3,003.36 × 1,309.22
4. Step 4: Simplify right side
   2,002.17x = 3,932,058.98
5. Step 5: Solve for x
   x = 3,932,058.98/2,002.17
6. Step 6: Final answer
   x = 1,963.90