Finding the Fourth Proportional to 16,275.78, 22,456.53 and 9,202.05

Step by Step Solution

1. Step 1: Write the proportion equation
   16,275.78 : 22,456.53 = 9,202.05 : x
2. Step 2: Convert to fraction form
   16,275.78/22,456.53 = 9,202.05/x
3. Step 3: Cross multiply
   16,275.78x = 22,456.53 × 9,202.05
4. Step 4: Simplify right side
   16,275.78x = 206,646,111.89
5. Step 5: Solve for x
   x = 206,646,111.89/16,275.78
6. Step 6: Final answer
   x = 12,696.54