Finding the Fourth Proportional to 16,420.46, 24,634.15 and 5,326.28

Step by Step Solution

1. Step 1: Write the proportion equation
   16,420.46 : 24,634.15 = 5,326.28 : x
2. Step 2: Convert to fraction form
   16,420.46/24,634.15 = 5,326.28/x
3. Step 3: Cross multiply
   16,420.46x = 24,634.15 × 5,326.28
4. Step 4: Simplify right side
   16,420.46x = 131,208,353.83
5. Step 5: Solve for x
   x = 131,208,353.83/16,420.46
6. Step 6: Final answer
   x = 7,990.54