Finding the Fourth Proportional to 2,809.89, 3,877.61 and 1,550.97

Step by Step Solution

1. Step 1: Write the proportion equation
   2,809.89 : 3,877.61 = 1,550.97 : x
2. Step 2: Convert to fraction form
   2,809.89/3,877.61 = 1,550.97/x
3. Step 3: Cross multiply
   2,809.89x = 3,877.61 × 1,550.97
4. Step 4: Simplify right side
   2,809.89x = 6,014,058.72
5. Step 5: Solve for x
   x = 6,014,058.72/2,809.89
6. Step 6: Final answer
   x = 2,140.32