Finding the Fourth Proportional to 2,865.51, 4,297.59 and 1,222.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,865.51 : 4,297.59 = 1,222.83 : x
2. Step 2: Convert to fraction form
   2,865.51/4,297.59 = 1,222.83/x
3. Step 3: Cross multiply
   2,865.51x = 4,297.59 × 1,222.83
4. Step 4: Simplify right side
   2,865.51x = 5,255,221.98
5. Step 5: Solve for x
   x = 5,255,221.98/2,865.51
6. Step 6: Final answer
   x = 1,833.96