Finding the Fourth Proportional to 2,733.55, 3,772.61 and 1,554.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,733.55 : 3,772.61 = 1,554.79 : x
2. Step 2: Convert to fraction form
   2,733.55/3,772.61 = 1,554.79/x
3. Step 3: Cross multiply
   2,733.55x = 3,772.61 × 1,554.79
4. Step 4: Simplify right side
   2,733.55x = 5,865,616.30
5. Step 5: Solve for x
   x = 5,865,616.30/2,733.55
6. Step 6: Final answer
   x = 2,145.79