Finding the Fourth Proportional to 8,071.92, 11,131.49 and 5,238.25

Step by Step Solution

1. Step 1: Write the proportion equation
   8,071.92 : 11,131.49 = 5,238.25 : x
2. Step 2: Convert to fraction form
   8,071.92/11,131.49 = 5,238.25/x
3. Step 3: Cross multiply
   8,071.92x = 11,131.49 × 5,238.25
4. Step 4: Simplify right side
   8,071.92x = 58,309,512.76
5. Step 5: Solve for x
   x = 58,309,512.76/8,071.92
6. Step 6: Final answer
   x = 7,223.75