Finding the Fourth Proportional to 22,679.48, 31,300.27 and 12,608.93

Step by Step Solution

1. Step 1: Write the proportion equation
   22,679.48 : 31,300.27 = 12,608.93 : x
2. Step 2: Convert to fraction form
   22,679.48/31,300.27 = 12,608.93/x
3. Step 3: Cross multiply
   22,679.48x = 31,300.27 × 12,608.93
4. Step 4: Simplify right side
   22,679.48x = 394,662,960.14
5. Step 5: Solve for x
   x = 394,662,960.14/22,679.48
6. Step 6: Final answer
   x = 17,401.76