Finding the Fourth Proportional to 2,209.86, 3,311.82 and 1,234.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,209.86 : 3,311.82 = 1,234.08 : x
2. Step 2: Convert to fraction form
   2,209.86/3,311.82 = 1,234.08/x
3. Step 3: Cross multiply
   2,209.86x = 3,311.82 × 1,234.08
4. Step 4: Simplify right side
   2,209.86x = 4,087,050.83
5. Step 5: Solve for x
   x = 4,087,050.83/2,209.86
6. Step 6: Final answer
   x = 1,849.46