Finding the Fourth Proportional to 22,369.68, 30,870.22 and 12,299.15

Step by Step Solution

1. Step 1: Write the proportion equation
   22,369.68 : 30,870.22 = 12,299.15 : x
2. Step 2: Convert to fraction form
   22,369.68/30,870.22 = 12,299.15/x
3. Step 3: Cross multiply
   22,369.68x = 30,870.22 × 12,299.15
4. Step 4: Simplify right side
   22,369.68x = 379,677,466.31
5. Step 5: Solve for x
   x = 379,677,466.31/22,369.68
6. Step 6: Final answer
   x = 16,972.86