Finding the Fourth Proportional to 16,825.78, 23,203.83 and 13,297.42

Step by Step Solution

1. Step 1: Write the proportion equation
   16,825.78 : 23,203.83 = 13,297.42 : x
2. Step 2: Convert to fraction form
   16,825.78/23,203.83 = 13,297.42/x
3. Step 3: Cross multiply
   16,825.78x = 23,203.83 × 13,297.42
4. Step 4: Simplify right side
   16,825.78x = 308,551,073.12
5. Step 5: Solve for x
   x = 308,551,073.12/16,825.78
6. Step 6: Final answer
   x = 18,338.00