Finding the Fourth Proportional to 2,208.48, 3,308.37 and 1,590.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,208.48 : 3,308.37 = 1,590.72 : x
2. Step 2: Convert to fraction form
   2,208.48/3,308.37 = 1,590.72/x
3. Step 3: Cross multiply
   2,208.48x = 3,308.37 × 1,590.72
4. Step 4: Simplify right side
   2,208.48x = 5,262,690.33
5. Step 5: Solve for x
   x = 5,262,690.33/2,208.48
6. Step 6: Final answer
   x = 2,382.95