Finding the Fourth Proportional to 2,709.54, 3,738.96 and 1,530.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,709.54 : 3,738.96 = 1,530.72 : x
2. Step 2: Convert to fraction form
   2,709.54/3,738.96 = 1,530.72/x
3. Step 3: Cross multiply
   2,709.54x = 3,738.96 × 1,530.72
4. Step 4: Simplify right side
   2,709.54x = 5,723,300.85
5. Step 5: Solve for x
   x = 5,723,300.85/2,709.54
6. Step 6: Final answer
   x = 2,112.28