Finding the Fourth Proportional to 9,649.98, 14,388.27 and 8,826.21

Step by Step Solution

1. Step 1: Write the proportion equation
   9,649.98 : 14,388.27 = 8,826.21 : x
2. Step 2: Convert to fraction form
   9,649.98/14,388.27 = 8,826.21/x
3. Step 3: Cross multiply
   9,649.98x = 14,388.27 × 8,826.21
4. Step 4: Simplify right side
   9,649.98x = 126,993,892.56
5. Step 5: Solve for x
   x = 126,993,892.56/9,649.98
6. Step 6: Final answer
   x = 13,160.02