Finding the Fourth Proportional to 23,710.16, 32,719.20 and 13,100.42

Step by Step Solution

1. Step 1: Write the proportion equation
   23,710.16 : 32,719.20 = 13,100.42 : x
2. Step 2: Convert to fraction form
   23,710.16/32,719.20 = 13,100.42/x
3. Step 3: Cross multiply
   23,710.16x = 32,719.20 × 13,100.42
4. Step 4: Simplify right side
   23,710.16x = 428,635,262.06
5. Step 5: Solve for x
   x = 428,635,262.06/23,710.16
6. Step 6: Final answer
   x = 18,078.13