Finding the Fourth Proportional to 2,146.82, 2,964.05 and 1,648.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,146.82 : 2,964.05 = 1,648.58 : x
2. Step 2: Convert to fraction form
   2,146.82/2,964.05 = 1,648.58/x
3. Step 3: Cross multiply
   2,146.82x = 2,964.05 × 1,648.58
4. Step 4: Simplify right side
   2,146.82x = 4,886,450.49
5. Step 5: Solve for x
   x = 4,886,450.49/2,146.82
6. Step 6: Final answer
   x = 2,276.14