Finding the Fourth Proportional to 2,411.22, 3,616.84 and 1,317.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,411.22 : 3,616.84 = 1,317.72 : x
2. Step 2: Convert to fraction form
   2,411.22/3,616.84 = 1,317.72/x
3. Step 3: Cross multiply
   2,411.22x = 3,616.84 × 1,317.72
4. Step 4: Simplify right side
   2,411.22x = 4,765,982.40
5. Step 5: Solve for x
   x = 4,765,982.40/2,411.22
6. Step 6: Final answer
   x = 1,976.59