Finding the Fourth Proportional to 16,924.25, 25,388.81 and 5,238.38

Step by Step Solution

1. Step 1: Write the proportion equation
   16,924.25 : 25,388.81 = 5,238.38 : x
2. Step 2: Convert to fraction form
   16,924.25/25,388.81 = 5,238.38/x
3. Step 3: Cross multiply
   16,924.25x = 25,388.81 × 5,238.38
4. Step 4: Simplify right side
   16,924.25x = 132,996,081.39
5. Step 5: Solve for x
   x = 132,996,081.39/16,924.25
6. Step 6: Final answer
   x = 7,858.32