Finding the Fourth Proportional to 2,065.27, 3,099.35 and 910.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,065.27 : 3,099.35 = 910.39 : x
2. Step 2: Convert to fraction form
   2,065.27/3,099.35 = 910.39/x
3. Step 3: Cross multiply
   2,065.27x = 3,099.35 × 910.39
4. Step 4: Simplify right side
   2,065.27x = 2,821,612.69
5. Step 5: Solve for x
   x = 2,821,612.69/2,065.27
6. Step 6: Final answer
   x = 1,366.22