Finding the Fourth Proportional to 16,979.62, 23,433.15 and 9,904.54

Step by Step Solution

1. Step 1: Write the proportion equation
   16,979.62 : 23,433.15 = 9,904.54 : x
2. Step 2: Convert to fraction form
   16,979.62/23,433.15 = 9,904.54/x
3. Step 3: Cross multiply
   16,979.62x = 23,433.15 × 9,904.54
4. Step 4: Simplify right side
   16,979.62x = 232,094,571.50
5. Step 5: Solve for x
   x = 232,094,571.50/16,979.62
6. Step 6: Final answer
   x = 13,669.01