Finding the Fourth Proportional to 2,218.74, 3,329.33 and 1,488.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,218.74 : 3,329.33 = 1,488.93 : x
2. Step 2: Convert to fraction form
   2,218.74/3,329.33 = 1,488.93/x
3. Step 3: Cross multiply
   2,218.74x = 3,329.33 × 1,488.93
4. Step 4: Simplify right side
   2,218.74x = 4,957,131.87
5. Step 5: Solve for x
   x = 4,957,131.87/2,218.74
6. Step 6: Final answer
   x = 2,234.21