Finding the Fourth Proportional to 16,199.29, 22,355.54 and 9,485.52

Step by Step Solution

1. Step 1: Write the proportion equation
   16,199.29 : 22,355.54 = 9,485.52 : x
2. Step 2: Convert to fraction form
   16,199.29/22,355.54 = 9,485.52/x
3. Step 3: Cross multiply
   16,199.29x = 22,355.54 × 9,485.52
4. Step 4: Simplify right side
   16,199.29x = 212,053,921.78
5. Step 5: Solve for x
   x = 212,053,921.78/16,199.29
6. Step 6: Final answer
   x = 13,090.32