Finding the Fourth Proportional to 22,401, 30,914.10 and 12,328.92

Step by Step Solution

1. Step 1: Write the proportion equation
   22,401 : 30,914.10 = 12,328.92 : x
2. Step 2: Convert to fraction form
   22,401/30,914.10 = 12,328.92/x
3. Step 3: Cross multiply
   22,401x = 30,914.10 × 12,328.92
4. Step 4: Simplify right side
   22,401x = 381,137,465.77
5. Step 5: Solve for x
   x = 381,137,465.77/22,401
6. Step 6: Final answer
   x = 17,014.31