Finding the Fourth Proportional to 2,733.20, 3,772.22 and 1,554.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,733.20 : 3,772.22 = 1,554.38 : x
2. Step 2: Convert to fraction form
   2,733.20/3,772.22 = 1,554.38/x
3. Step 3: Cross multiply
   2,733.20x = 3,772.22 × 1,554.38
4. Step 4: Simplify right side
   2,733.20x = 5,863,463.32
5. Step 5: Solve for x
   x = 5,863,463.32/2,733.20
6. Step 6: Final answer
   x = 2,145.27