Finding the Fourth Proportional to 16,453.62, 22,706.61 and 9,379.86

Step by Step Solution

1. Step 1: Write the proportion equation
   16,453.62 : 22,706.61 = 9,379.86 : x
2. Step 2: Convert to fraction form
   16,453.62/22,706.61 = 9,379.86/x
3. Step 3: Cross multiply
   16,453.62x = 22,706.61 × 9,379.86
4. Step 4: Simplify right side
   16,453.62x = 212,984,822.87
5. Step 5: Solve for x
   x = 212,984,822.87/16,453.62
6. Step 6: Final answer
   x = 12,944.56