Finding the Fourth Proportional to 2,152.92, 2,964.36 and 1,682.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,152.92 : 2,964.36 = 1,682.72 : x
2. Step 2: Convert to fraction form
   2,152.92/2,964.36 = 1,682.72/x
3. Step 3: Cross multiply
   2,152.92x = 2,964.36 × 1,682.72
4. Step 4: Simplify right side
   2,152.92x = 4,988,187.86
5. Step 5: Solve for x
   x = 4,988,187.86/2,152.92
6. Step 6: Final answer
   x = 2,316.94