Finding the Fourth Proportional to 16,892.24, 25,338.42 and 5,205.40

Step by Step Solution

1. Step 1: Write the proportion equation
   16,892.24 : 25,338.42 = 5,205.40 : x
2. Step 2: Convert to fraction form
   16,892.24/25,338.42 = 5,205.40/x
3. Step 3: Cross multiply
   16,892.24x = 25,338.42 × 5,205.40
4. Step 4: Simplify right side
   16,892.24x = 131,896,611.47
5. Step 5: Solve for x
   x = 131,896,611.47/16,892.24
6. Step 6: Final answer
   x = 7,808.12