Finding the Fourth Proportional to 23,709.48, 32,718.98 and 13,099.12

Step by Step Solution

1. Step 1: Write the proportion equation
   23,709.48 : 32,718.98 = 13,099.12 : x
2. Step 2: Convert to fraction form
   23,709.48/32,718.98 = 13,099.12/x
3. Step 3: Cross multiply
   23,709.48x = 32,718.98 × 13,099.12
4. Step 4: Simplify right side
   23,709.48x = 428,589,845.30
5. Step 5: Solve for x
   x = 428,589,845.30/23,709.48
6. Step 6: Final answer
   x = 18,076.73