Finding the Fourth Proportional to 16,331.63, 24,500.58 and 5,238.47

Step by Step Solution

1. Step 1: Write the proportion equation
   16,331.63 : 24,500.58 = 5,238.47 : x
2. Step 2: Convert to fraction form
   16,331.63/24,500.58 = 5,238.47/x
3. Step 3: Cross multiply
   16,331.63x = 24,500.58 × 5,238.47
4. Step 4: Simplify right side
   16,331.63x = 128,345,594.92
5. Step 5: Solve for x
   x = 128,345,594.92/16,331.63
6. Step 6: Final answer
   x = 7,858.72