Finding the Fourth Proportional to 2,339.06, 3,506.42 and 879.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,339.06 : 3,506.42 = 879.18 : x
2. Step 2: Convert to fraction form
   2,339.06/3,506.42 = 879.18/x
3. Step 3: Cross multiply
   2,339.06x = 3,506.42 × 879.18
4. Step 4: Simplify right side
   2,339.06x = 3,082,774.34
5. Step 5: Solve for x
   x = 3,082,774.34/2,339.06
6. Step 6: Final answer
   x = 1,317.95