Finding the Fourth Proportional to 2,733.81, 3,772.92 and 1,555.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,733.81 : 3,772.92 = 1,555.05 : x
2. Step 2: Convert to fraction form
   2,733.81/3,772.92 = 1,555.05/x
3. Step 3: Cross multiply
   2,733.81x = 3,772.92 × 1,555.05
4. Step 4: Simplify right side
   2,733.81x = 5,867,079.25
5. Step 5: Solve for x
   x = 5,867,079.25/2,733.81
6. Step 6: Final answer
   x = 2,146.12