Finding the Fourth Proportional to 2,408.96, 3,611.52 and 1,040

Step by Step Solution

1. Step 1: Write the proportion equation
   2,408.96 : 3,611.52 = 1,040 : x
2. Step 2: Convert to fraction form
   2,408.96/3,611.52 = 1,040/x
3. Step 3: Cross multiply
   2,408.96x = 3,611.52 × 1,040
4. Step 4: Simplify right side
   2,408.96x = 3,755,980.80
5. Step 5: Solve for x
   x = 3,755,980.80/2,408.96
6. Step 6: Final answer
   x = 1,559.17