Finding the Fourth Proportional to 16,431.72, 24,649.80 and 5,334.81

Step by Step Solution

1. Step 1: Write the proportion equation
   16,431.72 : 24,649.80 = 5,334.81 : x
2. Step 2: Convert to fraction form
   16,431.72/24,649.80 = 5,334.81/x
3. Step 3: Cross multiply
   16,431.72x = 24,649.80 × 5,334.81
4. Step 4: Simplify right side
   16,431.72x = 131,501,999.54
5. Step 5: Solve for x
   x = 131,501,999.54/16,431.72
6. Step 6: Final answer
   x = 8,002.94