Finding the Fourth Proportional to 16,924.50, 25,389.17 and 5,238.63

Step by Step Solution

1. Step 1: Write the proportion equation
   16,924.50 : 25,389.17 = 5,238.63 : x
2. Step 2: Convert to fraction form
   16,924.50/25,389.17 = 5,238.63/x
3. Step 3: Cross multiply
   16,924.50x = 25,389.17 × 5,238.63
4. Step 4: Simplify right side
   16,924.50x = 133,004,353.79
5. Step 5: Solve for x
   x = 133,004,353.79/16,924.50
6. Step 6: Final answer
   x = 7,858.69