Finding the Fourth Proportional to 2,630.72, 3,946.24 and 682.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,630.72 : 3,946.24 = 682.96 : x
2. Step 2: Convert to fraction form
   2,630.72/3,946.24 = 682.96/x
3. Step 3: Cross multiply
   2,630.72x = 3,946.24 × 682.96
4. Step 4: Simplify right side
   2,630.72x = 2,695,124.07
5. Step 5: Solve for x
   x = 2,695,124.07/2,630.72
6. Step 6: Final answer
   x = 1,024.48