Finding the Fourth Proportional to 22,214.30, 30,654.84 and 12,143.10

Step by Step Solution

1. Step 1: Write the proportion equation
   22,214.30 : 30,654.84 = 12,143.10 : x
2. Step 2: Convert to fraction form
   22,214.30/30,654.84 = 12,143.10/x
3. Step 3: Cross multiply
   22,214.30x = 30,654.84 × 12,143.10
4. Step 4: Simplify right side
   22,214.30x = 372,244,787.60
5. Step 5: Solve for x
   x = 372,244,787.60/22,214.30
6. Step 6: Final answer
   x = 16,756.99