Finding the Fourth Proportional to 2,866.77, 4,300.38 and 1,223.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,866.77 : 4,300.38 = 1,223.33 : x
2. Step 2: Convert to fraction form
   2,866.77/4,300.38 = 1,223.33/x
3. Step 3: Cross multiply
   2,866.77x = 4,300.38 × 1,223.33
4. Step 4: Simplify right side
   2,866.77x = 5,260,756.25
5. Step 5: Solve for x
   x = 5,260,756.25/2,866.77
6. Step 6: Final answer
   x = 1,835.08