Finding the Fourth Proportional to 2,864.82, 4,298.18 and 1,222.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,864.82 : 4,298.18 = 1,222.74 : x
2. Step 2: Convert to fraction form
   2,864.82/4,298.18 = 1,222.74/x
3. Step 3: Cross multiply
   2,864.82x = 4,298.18 × 1,222.74
4. Step 4: Simplify right side
   2,864.82x = 5,255,556.61
5. Step 5: Solve for x
   x = 5,255,556.61/2,864.82
6. Step 6: Final answer
   x = 1,834.52