Finding the Fourth Proportional to 16,381.34, 22,609.90 and 10,411.86

Step by Step Solution

1. Step 1: Write the proportion equation
   16,381.34 : 22,609.90 = 10,411.86 : x
2. Step 2: Convert to fraction form
   16,381.34/22,609.90 = 10,411.86/x
3. Step 3: Cross multiply
   16,381.34x = 22,609.90 × 10,411.86
4. Step 4: Simplify right side
   16,381.34x = 235,411,113.41
5. Step 5: Solve for x
   x = 235,411,113.41/16,381.34
6. Step 6: Final answer
   x = 14,370.69