Finding the Fourth Proportional to 2,613.94, 3,920.91 and 882.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,613.94 : 3,920.91 = 882.56 : x
2. Step 2: Convert to fraction form
   2,613.94/3,920.91 = 882.56/x
3. Step 3: Cross multiply
   2,613.94x = 3,920.91 × 882.56
4. Step 4: Simplify right side
   2,613.94x = 3,460,444.82
5. Step 5: Solve for x
   x = 3,460,444.82/2,613.94
6. Step 6: Final answer
   x = 1,323.84