Finding the Fourth Proportional to 6,894.72, 10,342.69 and 1,964.25

Step by Step Solution

1. Step 1: Write the proportion equation
   6,894.72 : 10,342.69 = 1,964.25 : x
2. Step 2: Convert to fraction form
   6,894.72/10,342.69 = 1,964.25/x
3. Step 3: Cross multiply
   6,894.72x = 10,342.69 × 1,964.25
4. Step 4: Simplify right side
   6,894.72x = 20,315,623.92
5. Step 5: Solve for x
   x = 20,315,623.92/6,894.72
6. Step 6: Final answer
   x = 2,946.55