Finding the Fourth Proportional to 2,739.52, 3,779.56 and 1,560.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,739.52 : 3,779.56 = 1,560.28 : x
2. Step 2: Convert to fraction form
   2,739.52/3,779.56 = 1,560.28/x
3. Step 3: Cross multiply
   2,739.52x = 3,779.56 × 1,560.28
4. Step 4: Simplify right side
   2,739.52x = 5,897,171.88
5. Step 5: Solve for x
   x = 5,897,171.88/2,739.52
6. Step 6: Final answer
   x = 2,152.63