Finding the Fourth Proportional to 2,590.16, 3,575.67 and 1,646.67

Step by Step Solution

1. Step 1: Write the proportion equation
   2,590.16 : 3,575.67 = 1,646.67 : x
2. Step 2: Convert to fraction form
   2,590.16/3,575.67 = 1,646.67/x
3. Step 3: Cross multiply
   2,590.16x = 3,575.67 × 1,646.67
4. Step 4: Simplify right side
   2,590.16x = 5,887,948.52
5. Step 5: Solve for x
   x = 5,887,948.52/2,590.16
6. Step 6: Final answer
   x = 2,273.20