Finding the Fourth Proportional to 2,513.22, 3,769.92 and 869.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,513.22 : 3,769.92 = 869.82 : x
2. Step 2: Convert to fraction form
   2,513.22/3,769.92 = 869.82/x
3. Step 3: Cross multiply
   2,513.22x = 3,769.92 × 869.82
4. Step 4: Simplify right side
   2,513.22x = 3,279,151.81
5. Step 5: Solve for x
   x = 3,279,151.81/2,513.22
6. Step 6: Final answer
   x = 1,304.76