Finding the Fourth Proportional to 11,892.08, 16,411.92 and 7,112.18

Step by Step Solution

1. Step 1: Write the proportion equation
   11,892.08 : 16,411.92 = 7,112.18 : x
2. Step 2: Convert to fraction form
   11,892.08/16,411.92 = 7,112.18/x
3. Step 3: Cross multiply
   11,892.08x = 16,411.92 × 7,112.18
4. Step 4: Simplify right side
   11,892.08x = 116,724,529.19
5. Step 5: Solve for x
   x = 116,724,529.19/11,892.08
6. Step 6: Final answer
   x = 9,815.32