Finding the Fourth Proportional to 16,532.02, 22,814.22 and 8,978.26

Step by Step Solution

1. Step 1: Write the proportion equation
   16,532.02 : 22,814.22 = 8,978.26 : x
2. Step 2: Convert to fraction form
   16,532.02/22,814.22 = 8,978.26/x
3. Step 3: Cross multiply
   16,532.02x = 22,814.22 × 8,978.26
4. Step 4: Simplify right side
   16,532.02x = 204,831,998.86
5. Step 5: Solve for x
   x = 204,831,998.86/16,532.02
6. Step 6: Final answer
   x = 12,390.02