Finding the Fourth Proportional to 16,419.78, 24,630.03 and 5,326.47

Step by Step Solution

1. Step 1: Write the proportion equation
   16,419.78 : 24,630.03 = 5,326.47 : x
2. Step 2: Convert to fraction form
   16,419.78/24,630.03 = 5,326.47/x
3. Step 3: Cross multiply
   16,419.78x = 24,630.03 × 5,326.47
4. Step 4: Simplify right side
   16,419.78x = 131,191,115.89
5. Step 5: Solve for x
   x = 131,191,115.89/16,419.78
6. Step 6: Final answer
   x = 7,989.82