Finding the Fourth Proportional to 2,612.30, 3,918.42 and 882.14

Step by Step Solution

1. Step 1: Write the proportion equation
   2,612.30 : 3,918.42 = 882.14 : x
2. Step 2: Convert to fraction form
   2,612.30/3,918.42 = 882.14/x
3. Step 3: Cross multiply
   2,612.30x = 3,918.42 × 882.14
4. Step 4: Simplify right side
   2,612.30x = 3,456,595.02
5. Step 5: Solve for x
   x = 3,456,595.02/2,612.30
6. Step 6: Final answer
   x = 1,323.20