Finding the Fourth Proportional to 16,144.08, 22,280.72 and 9,070.48

Step by Step Solution

1. Step 1: Write the proportion equation
   16,144.08 : 22,280.72 = 9,070.48 : x
2. Step 2: Convert to fraction form
   16,144.08/22,280.72 = 9,070.48/x
3. Step 3: Cross multiply
   16,144.08x = 22,280.72 × 9,070.48
4. Step 4: Simplify right side
   16,144.08x = 202,096,825.15
5. Step 5: Solve for x
   x = 202,096,825.15/16,144.08
6. Step 6: Final answer
   x = 12,518.32