Finding the Fourth Proportional to 12,796.32, 17,661.16 and 9,582.24

Step by Step Solution

1. Step 1: Write the proportion equation
   12,796.32 : 17,661.16 = 9,582.24 : x
2. Step 2: Convert to fraction form
   12,796.32/17,661.16 = 9,582.24/x
3. Step 3: Cross multiply
   12,796.32x = 17,661.16 × 9,582.24
4. Step 4: Simplify right side
   12,796.32x = 169,233,473.80
5. Step 5: Solve for x
   x = 169,233,473.80/12,796.32
6. Step 6: Final answer
   x = 13,225.17