Finding the Fourth Proportional to 8,081.02, 12,127.07 and 3,150.69

Step by Step Solution

1. Step 1: Write the proportion equation
   8,081.02 : 12,127.07 = 3,150.69 : x
2. Step 2: Convert to fraction form
   8,081.02/12,127.07 = 3,150.69/x
3. Step 3: Cross multiply
   8,081.02x = 12,127.07 × 3,150.69
4. Step 4: Simplify right side
   8,081.02x = 38,208,638.18
5. Step 5: Solve for x
   x = 38,208,638.18/8,081.02
6. Step 6: Final answer
   x = 4,728.19