Finding the Fourth Proportional to 16,920.37, 25,382.99 and 5,234.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,920.37 : 25,382.99 = 5,234.50 : x
2. Step 2: Convert to fraction form
   16,920.37/25,382.99 = 5,234.50/x
3. Step 3: Cross multiply
   16,920.37x = 25,382.99 × 5,234.50
4. Step 4: Simplify right side
   16,920.37x = 132,867,261.16
5. Step 5: Solve for x
   x = 132,867,261.16/16,920.37
6. Step 6: Final answer
   x = 7,852.50