Finding the Fourth Proportional to 2,596.84, 3,895.94 and 865.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,596.84 : 3,895.94 = 865.48 : x
2. Step 2: Convert to fraction form
   2,596.84/3,895.94 = 865.48/x
3. Step 3: Cross multiply
   2,596.84x = 3,895.94 × 865.48
4. Step 4: Simplify right side
   2,596.84x = 3,371,858.15
5. Step 5: Solve for x
   x = 3,371,858.15/2,596.84
6. Step 6: Final answer
   x = 1,298.45