Finding the Fourth Proportional to 13,711.46, 18,921.81 and 7,423.83

Step by Step Solution

1. Step 1: Write the proportion equation
   13,711.46 : 18,921.81 = 7,423.83 : x
2. Step 2: Convert to fraction form
   13,711.46/18,921.81 = 7,423.83/x
3. Step 3: Cross multiply
   13,711.46x = 18,921.81 × 7,423.83
4. Step 4: Simplify right side
   13,711.46x = 140,472,300.73
5. Step 5: Solve for x
   x = 140,472,300.73/13,711.46
6. Step 6: Final answer
   x = 10,244.89