Finding the Fourth Proportional to 22,401.75, 30,913.70 and 12,330.18

Step by Step Solution

1. Step 1: Write the proportion equation
   22,401.75 : 30,913.70 = 12,330.18 : x
2. Step 2: Convert to fraction form
   22,401.75/30,913.70 = 12,330.18/x
3. Step 3: Cross multiply
   22,401.75x = 30,913.70 × 12,330.18
4. Step 4: Simplify right side
   22,401.75x = 381,171,423.82
5. Step 5: Solve for x
   x = 381,171,423.82/22,401.75
6. Step 6: Final answer
   x = 17,015.25