Finding the Fourth Proportional to 2,689.37, 4,033.15 and 1,023.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,689.37 : 4,033.15 = 1,023.10 : x
2. Step 2: Convert to fraction form
   2,689.37/4,033.15 = 1,023.10/x
3. Step 3: Cross multiply
   2,689.37x = 4,033.15 × 1,023.10
4. Step 4: Simplify right side
   2,689.37x = 4,126,328.69
5. Step 5: Solve for x
   x = 4,126,328.69/2,689.37
6. Step 6: Final answer
   x = 1,534.31