Finding the Fourth Proportional to 2,809.59, 3,877.46 and 1,550.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,809.59 : 3,877.46 = 1,550.76 : x
2. Step 2: Convert to fraction form
   2,809.59/3,877.46 = 1,550.76/x
3. Step 3: Cross multiply
   2,809.59x = 3,877.46 × 1,550.76
4. Step 4: Simplify right side
   2,809.59x = 6,013,002.12
5. Step 5: Solve for x
   x = 6,013,002.12/2,809.59
6. Step 6: Final answer
   x = 2,140.17