Finding the Fourth Proportional to 23,709.12, 32,719.37 and 13,099.33

Step by Step Solution

1. Step 1: Write the proportion equation
   23,709.12 : 32,719.37 = 13,099.33 : x
2. Step 2: Convert to fraction form
   23,709.12/32,719.37 = 13,099.33/x
3. Step 3: Cross multiply
   23,709.12x = 32,719.37 × 13,099.33
4. Step 4: Simplify right side
   23,709.12x = 428,601,825.02
5. Step 5: Solve for x
   x = 428,601,825.02/23,709.12
6. Step 6: Final answer
   x = 18,077.51