Finding the Fourth Proportional to 23,710.96, 32,721.12 and 13,100.56

Step by Step Solution

1. Step 1: Write the proportion equation
   23,710.96 : 32,721.12 = 13,100.56 : x
2. Step 2: Convert to fraction form
   23,710.96/32,721.12 = 13,100.56/x
3. Step 3: Cross multiply
   23,710.96x = 32,721.12 × 13,100.56
4. Step 4: Simplify right side
   23,710.96x = 428,664,995.83
5. Step 5: Solve for x
   x = 428,664,995.83/23,710.96
6. Step 6: Final answer
   x = 18,078.77