Finding the Fourth Proportional to 2,883.59, 4,323.20 and 1,218.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,883.59 : 4,323.20 = 1,218.23 : x
2. Step 2: Convert to fraction form
   2,883.59/4,323.20 = 1,218.23/x
3. Step 3: Cross multiply
   2,883.59x = 4,323.20 × 1,218.23
4. Step 4: Simplify right side
   2,883.59x = 5,266,651.94
5. Step 5: Solve for x
   x = 5,266,651.94/2,883.59
6. Step 6: Final answer
   x = 1,826.42