Finding the Fourth Proportional to 9,443.58, 14,221.59 and 8,225.70

Step by Step Solution

1. Step 1: Write the proportion equation
   9,443.58 : 14,221.59 = 8,225.70 : x
2. Step 2: Convert to fraction form
   9,443.58/14,221.59 = 8,225.70/x
3. Step 3: Cross multiply
   9,443.58x = 14,221.59 × 8,225.70
4. Step 4: Simplify right side
   9,443.58x = 116,982,532.86
5. Step 5: Solve for x
   x = 116,982,532.86/9,443.58
6. Step 6: Final answer
   x = 12,387.52