Finding the Fourth Proportional to 8,046.72, 12,062.70 and 3,115.08

Step by Step Solution

1. Step 1: Write the proportion equation
   8,046.72 : 12,062.70 = 3,115.08 : x
2. Step 2: Convert to fraction form
   8,046.72/12,062.70 = 3,115.08/x
3. Step 3: Cross multiply
   8,046.72x = 12,062.70 × 3,115.08
4. Step 4: Simplify right side
   8,046.72x = 37,576,275.52
5. Step 5: Solve for x
   x = 37,576,275.52/8,046.72
6. Step 6: Final answer
   x = 4,669.76