Finding the Fourth Proportional to 2,734.92, 3,773.72 and 1,555.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,734.92 : 3,773.72 = 1,555.76 : x
2. Step 2: Convert to fraction form
   2,734.92/3,773.72 = 1,555.76/x
3. Step 3: Cross multiply
   2,734.92x = 3,773.72 × 1,555.76
4. Step 4: Simplify right side
   2,734.92x = 5,871,015.95
5. Step 5: Solve for x
   x = 5,871,015.95/2,734.92
6. Step 6: Final answer
   x = 2,146.69