Finding the Fourth Proportional to 2,826.52, 3,900.81 and 1,647.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,826.52 : 3,900.81 = 1,647.34 : x
2. Step 2: Convert to fraction form
   2,826.52/3,900.81 = 1,647.34/x
3. Step 3: Cross multiply
   2,826.52x = 3,900.81 × 1,647.34
4. Step 4: Simplify right side
   2,826.52x = 6,425,960.35
5. Step 5: Solve for x
   x = 6,425,960.35/2,826.52
6. Step 6: Final answer
   x = 2,273.45