Finding the Fourth Proportional to 2,738.60, 3,779.46 and 1,559.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,738.60 : 3,779.46 = 1,559.72 : x
2. Step 2: Convert to fraction form
   2,738.60/3,779.46 = 1,559.72/x
3. Step 3: Cross multiply
   2,738.60x = 3,779.46 × 1,559.72
4. Step 4: Simplify right side
   2,738.60x = 5,894,899.35
5. Step 5: Solve for x
   x = 5,894,899.35/2,738.60
6. Step 6: Final answer
   x = 2,152.52