Finding the Fourth Proportional to 11,896.28, 16,411.64 and 7,113.59

Step by Step Solution

1. Step 1: Write the proportion equation
   11,896.28 : 16,411.64 = 7,113.59 : x
2. Step 2: Convert to fraction form
   11,896.28/16,411.64 = 7,113.59/x
3. Step 3: Cross multiply
   11,896.28x = 16,411.64 × 7,113.59
4. Step 4: Simplify right side
   11,896.28x = 116,745,560.56
5. Step 5: Solve for x
   x = 116,745,560.56/11,896.28
6. Step 6: Final answer
   x = 9,813.62