Finding the Fourth Proportional to 12,093.36, 16,684.56 and 7,904.04

Step by Step Solution

1. Step 1: Write the proportion equation
   12,093.36 : 16,684.56 = 7,904.04 : x
2. Step 2: Convert to fraction form
   12,093.36/16,684.56 = 7,904.04/x
3. Step 3: Cross multiply
   12,093.36x = 16,684.56 × 7,904.04
4. Step 4: Simplify right side
   12,093.36x = 131,875,429.62
5. Step 5: Solve for x
   x = 131,875,429.62/12,093.36
6. Step 6: Final answer
   x = 10,904.78