Finding the Fourth Proportional to 22,608.96, 31,194.72 and 13,174.08

Step by Step Solution

1. Step 1: Write the proportion equation
   22,608.96 : 31,194.72 = 13,174.08 : x
2. Step 2: Convert to fraction form
   22,608.96/31,194.72 = 13,174.08/x
3. Step 3: Cross multiply
   22,608.96x = 31,194.72 × 13,174.08
4. Step 4: Simplify right side
   22,608.96x = 410,961,736.86
5. Step 5: Solve for x
   x = 410,961,736.86/22,608.96
6. Step 6: Final answer
   x = 18,176.94