Finding the Fourth Proportional to 23,596.31, 32,563.22 and 12,986.22

Step by Step Solution

1. Step 1: Write the proportion equation
   23,596.31 : 32,563.22 = 12,986.22 : x
2. Step 2: Convert to fraction form
   23,596.31/32,563.22 = 12,986.22/x
3. Step 3: Cross multiply
   23,596.31x = 32,563.22 × 12,986.22
4. Step 4: Simplify right side
   23,596.31x = 422,873,196.01
5. Step 5: Solve for x
   x = 422,873,196.01/23,596.31
6. Step 6: Final answer
   x = 17,921.16