Finding the Fourth Proportional to 2,648.52, 3,972.72 and 1,559.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,648.52 : 3,972.72 = 1,559.79 : x
2. Step 2: Convert to fraction form
   2,648.52/3,972.72 = 1,559.79/x
3. Step 3: Cross multiply
   2,648.52x = 3,972.72 × 1,559.79
4. Step 4: Simplify right side
   2,648.52x = 6,196,608.93
5. Step 5: Solve for x
   x = 6,196,608.93/2,648.52
6. Step 6: Final answer
   x = 2,339.65