Finding the Fourth Proportional to 16,057.10, 22,436.20 and 16,057.10

Step by Step Solution

1. Step 1: Write the proportion equation
   16,057.10 : 22,436.20 = 16,057.10 : x
2. Step 2: Convert to fraction form
   16,057.10/22,436.20 = 16,057.10/x
3. Step 3: Cross multiply
   16,057.10x = 22,436.20 × 16,057.10
4. Step 4: Simplify right side
   16,057.10x = 360,260,307.02
5. Step 5: Solve for x
   x = 360,260,307.02/16,057.10
6. Step 6: Final answer
   x = 22,436.20