Finding the Fourth Proportional to 2,644.52, 3,650.24 and 1,947.92

Step by Step Solution

1. Step 1: Write the proportion equation
   2,644.52 : 3,650.24 = 1,947.92 : x
2. Step 2: Convert to fraction form
   2,644.52/3,650.24 = 1,947.92/x
3. Step 3: Cross multiply
   2,644.52x = 3,650.24 × 1,947.92
4. Step 4: Simplify right side
   2,644.52x = 7,110,375.50
5. Step 5: Solve for x
   x = 7,110,375.50/2,644.52
6. Step 6: Final answer
   x = 2,688.72