Finding the Fourth Proportional to 8,103.09, 12,147.42 and 3,176.16

Step by Step Solution

1. Step 1: Write the proportion equation
   8,103.09 : 12,147.42 = 3,176.16 : x
2. Step 2: Convert to fraction form
   8,103.09/12,147.42 = 3,176.16/x
3. Step 3: Cross multiply
   8,103.09x = 12,147.42 × 3,176.16
4. Step 4: Simplify right side
   8,103.09x = 38,582,166.33
5. Step 5: Solve for x
   x = 38,582,166.33/8,103.09
6. Step 6: Final answer
   x = 4,761.42