Finding the Fourth Proportional to 22,401.18, 30,913.74 and 12,330.63

Step by Step Solution

1. Step 1: Write the proportion equation
   22,401.18 : 30,913.74 = 12,330.63 : x
2. Step 2: Convert to fraction form
   22,401.18/30,913.74 = 12,330.63/x
3. Step 3: Cross multiply
   22,401.18x = 30,913.74 × 12,330.63
4. Step 4: Simplify right side
   22,401.18x = 381,185,889.86
5. Step 5: Solve for x
   x = 381,185,889.86/22,401.18
6. Step 6: Final answer
   x = 17,016.33