Finding the Fourth Proportional to 2,613.67, 3,921.05 and 882.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,613.67 : 3,921.05 = 882.25 : x
2. Step 2: Convert to fraction form
   2,613.67/3,921.05 = 882.25/x
3. Step 3: Cross multiply
   2,613.67x = 3,921.05 × 882.25
4. Step 4: Simplify right side
   2,613.67x = 3,459,341.95
5. Step 5: Solve for x
   x = 3,459,341.95/2,613.67
6. Step 6: Final answer
   x = 1,323.56