Finding the Fourth Proportional to 11,227.31, 16,836.09 and 5,961.17

Step by Step Solution

1. Step 1: Write the proportion equation
   11,227.31 : 16,836.09 = 5,961.17 : x
2. Step 2: Convert to fraction form
   11,227.31/16,836.09 = 5,961.17/x
3. Step 3: Cross multiply
   11,227.31x = 16,836.09 × 5,961.17
4. Step 4: Simplify right side
   11,227.31x = 100,362,792.16
5. Step 5: Solve for x
   x = 100,362,792.16/11,227.31
6. Step 6: Final answer
   x = 8,939.17