Finding the Fourth Proportional to 8,126.71, 12,192.12 and 3,747.25

Step by Step Solution

1. Step 1: Write the proportion equation
   8,126.71 : 12,192.12 = 3,747.25 : x
2. Step 2: Convert to fraction form
   8,126.71/12,192.12 = 3,747.25/x
3. Step 3: Cross multiply
   8,126.71x = 12,192.12 × 3,747.25
4. Step 4: Simplify right side
   8,126.71x = 45,686,868.33
5. Step 5: Solve for x
   x = 45,686,868.33/8,126.71
6. Step 6: Final answer
   x = 5,621.81