Finding the Fourth Proportional to 2,733.95, 3,772.71 and 1,555.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,733.95 : 3,772.71 = 1,555.03 : x
2. Step 2: Convert to fraction form
   2,733.95/3,772.71 = 1,555.03/x
3. Step 3: Cross multiply
   2,733.95x = 3,772.71 × 1,555.03
4. Step 4: Simplify right side
   2,733.95x = 5,866,681.95
5. Step 5: Solve for x
   x = 5,866,681.95/2,733.95
6. Step 6: Final answer
   x = 2,145.86