Finding the Fourth Proportional to 22,369.85, 30,870.38 and 12,298.94

Step by Step Solution

1. Step 1: Write the proportion equation
   22,369.85 : 30,870.38 = 12,298.94 : x
2. Step 2: Convert to fraction form
   22,369.85/30,870.38 = 12,298.94/x
3. Step 3: Cross multiply
   22,369.85x = 30,870.38 × 12,298.94
4. Step 4: Simplify right side
   22,369.85x = 379,672,951.40
5. Step 5: Solve for x
   x = 379,672,951.40/22,369.85
6. Step 6: Final answer
   x = 16,972.53