Finding the Fourth Proportional to 11,892.12, 16,411.32 and 7,113.12

Step by Step Solution

1. Step 1: Write the proportion equation
   11,892.12 : 16,411.32 = 7,113.12 : x
2. Step 2: Convert to fraction form
   11,892.12/16,411.32 = 7,113.12/x
3. Step 3: Cross multiply
   11,892.12x = 16,411.32 × 7,113.12
4. Step 4: Simplify right side
   11,892.12x = 116,735,688.52
5. Step 5: Solve for x
   x = 116,735,688.52/11,892.12
6. Step 6: Final answer
   x = 9,816.22