Finding the Fourth Proportional to 16,885.33, 25,330.71 and 5,198.53

Step by Step Solution

1. Step 1: Write the proportion equation
   16,885.33 : 25,330.71 = 5,198.53 : x
2. Step 2: Convert to fraction form
   16,885.33/25,330.71 = 5,198.53/x
3. Step 3: Cross multiply
   16,885.33x = 25,330.71 × 5,198.53
4. Step 4: Simplify right side
   16,885.33x = 131,682,455.86
5. Step 5: Solve for x
   x = 131,682,455.86/16,885.33
6. Step 6: Final answer
   x = 7,798.63