Finding the Fourth Proportional to 9,686.22, 13,341.52 and 7,443.80

Step by Step Solution

1. Step 1: Write the proportion equation
   9,686.22 : 13,341.52 = 7,443.80 : x
2. Step 2: Convert to fraction form
   9,686.22/13,341.52 = 7,443.80/x
3. Step 3: Cross multiply
   9,686.22x = 13,341.52 × 7,443.80
4. Step 4: Simplify right side
   9,686.22x = 99,311,649.23
5. Step 5: Solve for x
   x = 99,311,649.23/9,686.22
6. Step 6: Final answer
   x = 10,252.88