Finding the Fourth Proportional to 16,403.72, 24,606.13 and 5,310.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,403.72 : 24,606.13 = 5,310.50 : x
2. Step 2: Convert to fraction form
   16,403.72/24,606.13 = 5,310.50/x
3. Step 3: Cross multiply
   16,403.72x = 24,606.13 × 5,310.50
4. Step 4: Simplify right side
   16,403.72x = 130,670,853.37
5. Step 5: Solve for x
   x = 130,670,853.37/16,403.72
6. Step 6: Final answer
   x = 7,965.93