Finding the Fourth Proportional to 2,738.72, 3,779.43 and 1,559.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,738.72 : 3,779.43 = 1,559.79 : x
2. Step 2: Convert to fraction form
   2,738.72/3,779.43 = 1,559.79/x
3. Step 3: Cross multiply
   2,738.72x = 3,779.43 × 1,559.79
4. Step 4: Simplify right side
   2,738.72x = 5,895,117.12
5. Step 5: Solve for x
   x = 5,895,117.12/2,738.72
6. Step 6: Final answer
   x = 2,152.51