Finding the Fourth Proportional to 8,111.84, 11,128.37 and 8,035.29

Step by Step Solution

1. Step 1: Write the proportion equation
   8,111.84 : 11,128.37 = 8,035.29 : x
2. Step 2: Convert to fraction form
   8,111.84/11,128.37 = 8,035.29/x
3. Step 3: Cross multiply
   8,111.84x = 11,128.37 × 8,035.29
4. Step 4: Simplify right side
   8,111.84x = 89,419,640.00
5. Step 5: Solve for x
   x = 89,419,640.00/8,111.84
6. Step 6: Final answer
   x = 11,023.36