Finding the Fourth Proportional to 16,147.02, 22,280.41 and 9,072.07

Step by Step Solution

1. Step 1: Write the proportion equation
   16,147.02 : 22,280.41 = 9,072.07 : x
2. Step 2: Convert to fraction form
   16,147.02/22,280.41 = 9,072.07/x
3. Step 3: Cross multiply
   16,147.02x = 22,280.41 × 9,072.07
4. Step 4: Simplify right side
   16,147.02x = 202,129,439.15
5. Step 5: Solve for x
   x = 202,129,439.15/16,147.02
6. Step 6: Final answer
   x = 12,518.06