Finding the Fourth Proportional to 22,401.18, 30,913.92 and 12,967.92

Step by Step Solution

1. Step 1: Write the proportion equation
   22,401.18 : 30,913.92 = 12,967.92 : x
2. Step 2: Convert to fraction form
   22,401.18/30,913.92 = 12,967.92/x
3. Step 3: Cross multiply
   22,401.18x = 30,913.92 × 12,967.92
4. Step 4: Simplify right side
   22,401.18x = 400,889,241.45
5. Step 5: Solve for x
   x = 400,889,241.45/22,401.18
6. Step 6: Final answer
   x = 17,895.90