Finding the Fourth Proportional to 16,649.30, 24,986.27 and 7,884.24

Step by Step Solution

1. Step 1: Write the proportion equation
   16,649.30 : 24,986.27 = 7,884.24 : x
2. Step 2: Convert to fraction form
   16,649.30/24,986.27 = 7,884.24/x
3. Step 3: Cross multiply
   16,649.30x = 24,986.27 × 7,884.24
4. Step 4: Simplify right side
   16,649.30x = 196,997,675.40
5. Step 5: Solve for x
   x = 196,997,675.40/16,649.30
6. Step 6: Final answer
   x = 11,832.19