Finding the Fourth Proportional to 2,328.37, 3,212.70 and 1,488.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,328.37 : 3,212.70 = 1,488.43 : x
2. Step 2: Convert to fraction form
   2,328.37/3,212.70 = 1,488.43/x
3. Step 3: Cross multiply
   2,328.37x = 3,212.70 × 1,488.43
4. Step 4: Simplify right side
   2,328.37x = 4,781,879.06
5. Step 5: Solve for x
   x = 4,781,879.06/2,328.37
6. Step 6: Final answer
   x = 2,053.75