Finding the Fourth Proportional to 2,866.50, 4,302.81 and 1,223.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,866.50 : 4,302.81 = 1,223.82 : x
2. Step 2: Convert to fraction form
   2,866.50/4,302.81 = 1,223.82/x
3. Step 3: Cross multiply
   2,866.50x = 4,302.81 × 1,223.82
4. Step 4: Simplify right side
   2,866.50x = 5,265,864.93
5. Step 5: Solve for x
   x = 5,265,864.93/2,866.50
6. Step 6: Final answer
   x = 1,837.04