Finding the Fourth Proportional to 3,062.72, 4,217.92 and 3,053.12

Step by Step Solution

1. Step 1: Write the proportion equation
   3,062.72 : 4,217.92 = 3,053.12 : x
2. Step 2: Convert to fraction form
   3,062.72/4,217.92 = 3,053.12/x
3. Step 3: Cross multiply
   3,062.72x = 4,217.92 × 3,053.12
4. Step 4: Simplify right side
   3,062.72x = 12,877,815.91
5. Step 5: Solve for x
   x = 12,877,815.91/3,062.72
6. Step 6: Final answer
   x = 4,204.70