Finding the Fourth Proportional to 16,532.37, 22,814.64 and 8,978.67

Step by Step Solution

1. Step 1: Write the proportion equation
   16,532.37 : 22,814.64 = 8,978.67 : x
2. Step 2: Convert to fraction form
   16,532.37/22,814.64 = 8,978.67/x
3. Step 3: Cross multiply
   16,532.37x = 22,814.64 × 8,978.67
4. Step 4: Simplify right side
   16,532.37x = 204,845,123.73
5. Step 5: Solve for x
   x = 204,845,123.73/16,532.37
6. Step 6: Final answer
   x = 12,390.55