Finding the Fourth Proportional to 2,682.24, 4,020.62 and 1,038.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,682.24 : 4,020.62 = 1,038.15 : x
2. Step 2: Convert to fraction form
   2,682.24/4,020.62 = 1,038.15/x
3. Step 3: Cross multiply
   2,682.24x = 4,020.62 × 1,038.15
4. Step 4: Simplify right side
   2,682.24x = 4,174,001.46
5. Step 5: Solve for x
   x = 4,174,001.46/2,682.24
6. Step 6: Final answer
   x = 1,556.16