Finding the Fourth Proportional to 22,904.82, 31,608.36 and 12,833.08

Step by Step Solution

1. Step 1: Write the proportion equation
   22,904.82 : 31,608.36 = 12,833.08 : x
2. Step 2: Convert to fraction form
   22,904.82/31,608.36 = 12,833.08/x
3. Step 3: Cross multiply
   22,904.82x = 31,608.36 × 12,833.08
4. Step 4: Simplify right side
   22,904.82x = 405,632,612.55
5. Step 5: Solve for x
   x = 405,632,612.55/22,904.82
6. Step 6: Final answer
   x = 17,709.49