Finding the Fourth Proportional to 22,946.72, 34,431.12 and 8,166.40

Step by Step Solution

1. Step 1: Write the proportion equation
   22,946.72 : 34,431.12 = 8,166.40 : x
2. Step 2: Convert to fraction form
   22,946.72/34,431.12 = 8,166.40/x
3. Step 3: Cross multiply
   22,946.72x = 34,431.12 × 8,166.40
4. Step 4: Simplify right side
   22,946.72x = 281,178,298.37
5. Step 5: Solve for x
   x = 281,178,298.37/22,946.72
6. Step 6: Final answer
   x = 12,253.53