Finding the Fourth Proportional to 16,052.46, 22,153 and 8,978.86

Step by Step Solution

1. Step 1: Write the proportion equation
   16,052.46 : 22,153 = 8,978.86 : x
2. Step 2: Convert to fraction form
   16,052.46/22,153 = 8,978.86/x
3. Step 3: Cross multiply
   16,052.46x = 22,153 × 8,978.86
4. Step 4: Simplify right side
   16,052.46x = 198,908,685.58
5. Step 5: Solve for x
   x = 198,908,685.58/16,052.46
6. Step 6: Final answer
   x = 12,391.17