Finding the Fourth Proportional to 2,734.79, 3,773.96 and 1,555.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,734.79 : 3,773.96 = 1,555.83 : x
2. Step 2: Convert to fraction form
   2,734.79/3,773.96 = 1,555.83/x
3. Step 3: Cross multiply
   2,734.79x = 3,773.96 × 1,555.83
4. Step 4: Simplify right side
   2,734.79x = 5,871,632.41
5. Step 5: Solve for x
   x = 5,871,632.41/2,734.79
6. Step 6: Final answer
   x = 2,147.02