Finding the Fourth Proportional to 2,946.72, 4,064.04 and 2,107.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,946.72 : 4,064.04 = 2,107.56 : x
2. Step 2: Convert to fraction form
   2,946.72/4,064.04 = 2,107.56/x
3. Step 3: Cross multiply
   2,946.72x = 4,064.04 × 2,107.56
4. Step 4: Simplify right side
   2,946.72x = 8,565,208.14
5. Step 5: Solve for x
   x = 8,565,208.14/2,946.72
6. Step 6: Final answer
   x = 2,906.69