Finding the Fourth Proportional to 2,259.72, 3,119.58 and 1,559.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,259.72 : 3,119.58 = 1,559.88 : x
2. Step 2: Convert to fraction form
   2,259.72/3,119.58 = 1,559.88/x
3. Step 3: Cross multiply
   2,259.72x = 3,119.58 × 1,559.88
4. Step 4: Simplify right side
   2,259.72x = 4,866,170.45
5. Step 5: Solve for x
   x = 4,866,170.45/2,259.72
6. Step 6: Final answer
   x = 2,153.44