Finding the Fourth Proportional to 11,892.30, 16,409.03 and 7,176.48

Step by Step Solution

1. Step 1: Write the proportion equation
   11,892.30 : 16,409.03 = 7,176.48 : x
2. Step 2: Convert to fraction form
   11,892.30/16,409.03 = 7,176.48/x
3. Step 3: Cross multiply
   11,892.30x = 16,409.03 × 7,176.48
4. Step 4: Simplify right side
   11,892.30x = 117,759,039.73
5. Step 5: Solve for x
   x = 117,759,039.73/11,892.30
6. Step 6: Final answer
   x = 9,902.12