Finding the Fourth Proportional to 2,731.78, 3,769.63 and 1,552.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,731.78 : 3,769.63 = 1,552.83 : x
2. Step 2: Convert to fraction form
   2,731.78/3,769.63 = 1,552.83/x
3. Step 3: Cross multiply
   2,731.78x = 3,769.63 × 1,552.83
4. Step 4: Simplify right side
   2,731.78x = 5,853,594.55
5. Step 5: Solve for x
   x = 5,853,594.55/2,731.78
6. Step 6: Final answer
   x = 2,142.78