Finding the Fourth Proportional to 9,443.22, 14,166.72 and 5,289.14

Step by Step Solution

1. Step 1: Write the proportion equation
   9,443.22 : 14,166.72 = 5,289.14 : x
2. Step 2: Convert to fraction form
   9,443.22/14,166.72 = 5,289.14/x
3. Step 3: Cross multiply
   9,443.22x = 14,166.72 × 5,289.14
4. Step 4: Simplify right side
   9,443.22x = 74,929,694.59
5. Step 5: Solve for x
   x = 74,929,694.59/9,443.22
6. Step 6: Final answer
   x = 7,934.76