Finding the Fourth Proportional to 2,114.62, 3,172.18 and 882.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,114.62 : 3,172.18 = 882.86 : x
2. Step 2: Convert to fraction form
   2,114.62/3,172.18 = 882.86/x
3. Step 3: Cross multiply
   2,114.62x = 3,172.18 × 882.86
4. Step 4: Simplify right side
   2,114.62x = 2,800,590.83
5. Step 5: Solve for x
   x = 2,800,590.83/2,114.62
6. Step 6: Final answer
   x = 1,324.39