Finding the Fourth Proportional to 2,095.22, 3,143.15 and 862.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,095.22 : 3,143.15 = 862.30 : x
2. Step 2: Convert to fraction form
   2,095.22/3,143.15 = 862.30/x
3. Step 3: Cross multiply
   2,095.22x = 3,143.15 × 862.30
4. Step 4: Simplify right side
   2,095.22x = 2,710,328.27
5. Step 5: Solve for x
   x = 2,710,328.27/2,095.22
6. Step 6: Final answer
   x = 1,293.58