Finding the Fourth Proportional to 22,946.38, 34,429.90 and 12,404.06

Step by Step Solution

1. Step 1: Write the proportion equation
   22,946.38 : 34,429.90 = 12,404.06 : x
2. Step 2: Convert to fraction form
   22,946.38/34,429.90 = 12,404.06/x
3. Step 3: Cross multiply
   22,946.38x = 34,429.90 × 12,404.06
4. Step 4: Simplify right side
   22,946.38x = 427,070,545.39
5. Step 5: Solve for x
   x = 427,070,545.39/22,946.38
6. Step 6: Final answer
   x = 18,611.67