Finding the Fourth Proportional to 16,052.51, 22,152.30 and 8,978.92

Step by Step Solution

1. Step 1: Write the proportion equation
   16,052.51 : 22,152.30 = 8,978.92 : x
2. Step 2: Convert to fraction form
   16,052.51/22,152.30 = 8,978.92/x
3. Step 3: Cross multiply
   16,052.51x = 22,152.30 × 8,978.92
4. Step 4: Simplify right side
   16,052.51x = 198,903,729.52
5. Step 5: Solve for x
   x = 198,903,729.52/16,052.51
6. Step 6: Final answer
   x = 12,390.82