Finding the Fourth Proportional to 2,513.04, 3,769.83 and 869.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,513.04 : 3,769.83 = 869.39 : x
2. Step 2: Convert to fraction form
   2,513.04/3,769.83 = 869.39/x
3. Step 3: Cross multiply
   2,513.04x = 3,769.83 × 869.39
4. Step 4: Simplify right side
   2,513.04x = 3,277,433.65
5. Step 5: Solve for x
   x = 3,277,433.65/2,513.04
6. Step 6: Final answer
   x = 1,304.17