Finding the Fourth Proportional to 2,613.57, 3,920.35 and 882.19

Step by Step Solution

1. Step 1: Write the proportion equation
   2,613.57 : 3,920.35 = 882.19 : x
2. Step 2: Convert to fraction form
   2,613.57/3,920.35 = 882.19/x
3. Step 3: Cross multiply
   2,613.57x = 3,920.35 × 882.19
4. Step 4: Simplify right side
   2,613.57x = 3,458,493.57
5. Step 5: Solve for x
   x = 3,458,493.57/2,613.57
6. Step 6: Final answer
   x = 1,323.28