Finding the Fourth Proportional to 2,733.20, 3,771.60 and 1,554.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,733.20 : 3,771.60 = 1,554.02 : x
2. Step 2: Convert to fraction form
   2,733.20/3,771.60 = 1,554.02/x
3. Step 3: Cross multiply
   2,733.20x = 3,771.60 × 1,554.02
4. Step 4: Simplify right side
   2,733.20x = 5,861,141.83
5. Step 5: Solve for x
   x = 5,861,141.83/2,733.20
6. Step 6: Final answer
   x = 2,144.42