Finding the Fourth Proportional to 22,671.72, 34,029.12 and 13,923.72

Step by Step Solution

1. Step 1: Write the proportion equation
   22,671.72 : 34,029.12 = 13,923.72 : x
2. Step 2: Convert to fraction form
   22,671.72/34,029.12 = 13,923.72/x
3. Step 3: Cross multiply
   22,671.72x = 34,029.12 × 13,923.72
4. Step 4: Simplify right side
   22,671.72x = 473,811,938.73
5. Step 5: Solve for x
   x = 473,811,938.73/22,671.72
6. Step 6: Final answer
   x = 20,898.81