Finding the Fourth Proportional to 8,127.72, 12,196.44 and 5,551.92

Step by Step Solution

1. Step 1: Write the proportion equation
   8,127.72 : 12,196.44 = 5,551.92 : x
2. Step 2: Convert to fraction form
   8,127.72/12,196.44 = 5,551.92/x
3. Step 3: Cross multiply
   8,127.72x = 12,196.44 × 5,551.92
4. Step 4: Simplify right side
   8,127.72x = 67,713,659.16
5. Step 5: Solve for x
   x = 67,713,659.16/8,127.72
6. Step 6: Final answer
   x = 8,331.20