Finding the Fourth Proportional to 2,079.95, 3,117.31 and 1,040.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,079.95 : 3,117.31 = 1,040.24 : x
2. Step 2: Convert to fraction form
   2,079.95/3,117.31 = 1,040.24/x
3. Step 3: Cross multiply
   2,079.95x = 3,117.31 × 1,040.24
4. Step 4: Simplify right side
   2,079.95x = 3,242,755.75
5. Step 5: Solve for x
   x = 3,242,755.75/2,079.95
6. Step 6: Final answer
   x = 1,559.06