Finding the Fourth Proportional to 22,369.53, 30,869.87 and 12,298.61

Step by Step Solution

1. Step 1: Write the proportion equation
   22,369.53 : 30,869.87 = 12,298.61 : x
2. Step 2: Convert to fraction form
   22,369.53/30,869.87 = 12,298.61/x
3. Step 3: Cross multiply
   22,369.53x = 30,869.87 × 12,298.61
4. Step 4: Simplify right side
   22,369.53x = 379,656,276.04
5. Step 5: Solve for x
   x = 379,656,276.04/22,369.53
6. Step 6: Final answer
   x = 16,972.03