Finding the Fourth Proportional to 2,038.69, 3,058.72 and 868.64

Step by Step Solution

1. Step 1: Write the proportion equation
   2,038.69 : 3,058.72 = 868.64 : x
2. Step 2: Convert to fraction form
   2,038.69/3,058.72 = 868.64/x
3. Step 3: Cross multiply
   2,038.69x = 3,058.72 × 868.64
4. Step 4: Simplify right side
   2,038.69x = 2,656,932.02
5. Step 5: Solve for x
   x = 2,656,932.02/2,038.69
6. Step 6: Final answer
   x = 1,303.26