Finding the Fourth Proportional to 2,738.62, 3,779.40 and 1,559.67

Step by Step Solution

1. Step 1: Write the proportion equation
   2,738.62 : 3,779.40 = 1,559.67 : x
2. Step 2: Convert to fraction form
   2,738.62/3,779.40 = 1,559.67/x
3. Step 3: Cross multiply
   2,738.62x = 3,779.40 × 1,559.67
4. Step 4: Simplify right side
   2,738.62x = 5,894,616.80
5. Step 5: Solve for x
   x = 5,894,616.80/2,738.62
6. Step 6: Final answer
   x = 2,152.40