Finding the Fourth Proportional to 12,796.31, 17,661.17 and 9,582.23

Step by Step Solution

1. Step 1: Write the proportion equation
   12,796.31 : 17,661.17 = 9,582.23 : x
2. Step 2: Convert to fraction form
   12,796.31/17,661.17 = 9,582.23/x
3. Step 3: Cross multiply
   12,796.31x = 17,661.17 × 9,582.23
4. Step 4: Simplify right side
   12,796.31x = 169,233,393.01
5. Step 5: Solve for x
   x = 169,233,393.01/12,796.31
6. Step 6: Final answer
   x = 13,225.17