Finding the Fourth Proportional to 9,443.34, 14,137.20 and 8,275.68

Step by Step Solution

1. Step 1: Write the proportion equation
   9,443.34 : 14,137.20 = 8,275.68 : x
2. Step 2: Convert to fraction form
   9,443.34/14,137.20 = 8,275.68/x
3. Step 3: Cross multiply
   9,443.34x = 14,137.20 × 8,275.68
4. Step 4: Simplify right side
   9,443.34x = 116,994,943.30
5. Step 5: Solve for x
   x = 116,994,943.30/9,443.34
6. Step 6: Final answer
   x = 12,389.15