Finding the Fourth Proportional to 16,649.24, 22,960.72 and 13,015.76

Step by Step Solution

1. Step 1: Write the proportion equation
   16,649.24 : 22,960.72 = 13,015.76 : x
2. Step 2: Convert to fraction form
   16,649.24/22,960.72 = 13,015.76/x
3. Step 3: Cross multiply
   16,649.24x = 22,960.72 × 13,015.76
4. Step 4: Simplify right side
   16,649.24x = 298,851,220.95
5. Step 5: Solve for x
   x = 298,851,220.95/16,649.24
6. Step 6: Final answer
   x = 17,949.84