Finding the Fourth Proportional to 8,049.96, 12,065.58 and 3,117.42

Step by Step Solution

1. Step 1: Write the proportion equation
   8,049.96 : 12,065.58 = 3,117.42 : x
2. Step 2: Convert to fraction form
   8,049.96/12,065.58 = 3,117.42/x
3. Step 3: Cross multiply
   8,049.96x = 12,065.58 × 3,117.42
4. Step 4: Simplify right side
   8,049.96x = 37,613,480.40
5. Step 5: Solve for x
   x = 37,613,480.40/8,049.96
6. Step 6: Final answer
   x = 4,672.51