Finding the Fourth Proportional to 9,229.90, 12,743.38 and 7,101.68

Step by Step Solution

1. Step 1: Write the proportion equation
   9,229.90 : 12,743.38 = 7,101.68 : x
2. Step 2: Convert to fraction form
   9,229.90/12,743.38 = 7,101.68/x
3. Step 3: Cross multiply
   9,229.90x = 12,743.38 × 7,101.68
4. Step 4: Simplify right side
   9,229.90x = 90,499,406.88
5. Step 5: Solve for x
   x = 90,499,406.88/9,229.90
6. Step 6: Final answer
   x = 9,805.03