Finding the Fourth Proportional to 2,109.37, 3,169.73 and 1,559.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,109.37 : 3,169.73 = 1,559.79 : x
2. Step 2: Convert to fraction form
   2,109.37/3,169.73 = 1,559.79/x
3. Step 3: Cross multiply
   2,109.37x = 3,169.73 × 1,559.79
4. Step 4: Simplify right side
   2,109.37x = 4,944,113.16
5. Step 5: Solve for x
   x = 4,944,113.16/2,109.37
6. Step 6: Final answer
   x = 2,343.88