Finding the Fourth Proportional to 2,809.50, 3,877.04 and 1,550.67

Step by Step Solution

1. Step 1: Write the proportion equation
   2,809.50 : 3,877.04 = 1,550.67 : x
2. Step 2: Convert to fraction form
   2,809.50/3,877.04 = 1,550.67/x
3. Step 3: Cross multiply
   2,809.50x = 3,877.04 × 1,550.67
4. Step 4: Simplify right side
   2,809.50x = 6,012,001.86
5. Step 5: Solve for x
   x = 6,012,001.86/2,809.50
6. Step 6: Final answer
   x = 2,139.89