Finding the Fourth Proportional to 2,738.89, 3,779.72 and 1,559.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,738.89 : 3,779.72 = 1,559.98 : x
2. Step 2: Convert to fraction form
   2,738.89/3,779.72 = 1,559.98/x
3. Step 3: Cross multiply
   2,738.89x = 3,779.72 × 1,559.98
4. Step 4: Simplify right side
   2,738.89x = 5,896,287.61
5. Step 5: Solve for x
   x = 5,896,287.61/2,738.89
6. Step 6: Final answer
   x = 2,152.80