Finding the Fourth Proportional to 2,250.86, 3,108.95 and 1,590.67

Step by Step Solution

1. Step 1: Write the proportion equation
   2,250.86 : 3,108.95 = 1,590.67 : x
2. Step 2: Convert to fraction form
   2,250.86/3,108.95 = 1,590.67/x
3. Step 3: Cross multiply
   2,250.86x = 3,108.95 × 1,590.67
4. Step 4: Simplify right side
   2,250.86x = 4,945,315.39
5. Step 5: Solve for x
   x = 4,945,315.39/2,250.86
6. Step 6: Final answer
   x = 2,197.08