Finding the Fourth Proportional to 22,680.74, 31,300.54 and 12,608.97

Step by Step Solution

1. Step 1: Write the proportion equation
   22,680.74 : 31,300.54 = 12,608.97 : x
2. Step 2: Convert to fraction form
   22,680.74/31,300.54 = 12,608.97/x
3. Step 3: Cross multiply
   22,680.74x = 31,300.54 × 12,608.97
4. Step 4: Simplify right side
   22,680.74x = 394,667,420.94
5. Step 5: Solve for x
   x = 394,667,420.94/22,680.74
6. Step 6: Final answer
   x = 17,400.99