Finding the Fourth Proportional to 2,095.07, 3,140.69 and 862.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,095.07 : 3,140.69 = 862.25 : x
2. Step 2: Convert to fraction form
   2,095.07/3,140.69 = 862.25/x
3. Step 3: Cross multiply
   2,095.07x = 3,140.69 × 862.25
4. Step 4: Simplify right side
   2,095.07x = 2,708,039.94
5. Step 5: Solve for x
   x = 2,708,039.94/2,095.07
6. Step 6: Final answer
   x = 1,292.58