Finding the Fourth Proportional to 2,723.79, 3,758.72 and 1,604.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,723.79 : 3,758.72 = 1,604.78 : x
2. Step 2: Convert to fraction form
   2,723.79/3,758.72 = 1,604.78/x
3. Step 3: Cross multiply
   2,723.79x = 3,758.72 × 1,604.78
4. Step 4: Simplify right side
   2,723.79x = 6,031,891.86
5. Step 5: Solve for x
   x = 6,031,891.86/2,723.79
6. Step 6: Final answer
   x = 2,214.52