Finding the Fourth Proportional to 2,642.92, 3,964.35 and 1,472.35

Step by Step Solution

1. Step 1: Write the proportion equation
   2,642.92 : 3,964.35 = 1,472.35 : x
2. Step 2: Convert to fraction form
   2,642.92/3,964.35 = 1,472.35/x
3. Step 3: Cross multiply
   2,642.92x = 3,964.35 × 1,472.35
4. Step 4: Simplify right side
   2,642.92x = 5,836,910.72
5. Step 5: Solve for x
   x = 5,836,910.72/2,642.92
6. Step 6: Final answer
   x = 2,208.51