Finding the Fourth Proportional to 23,301.50, 32,145.83 and 15,745.07

Step by Step Solution

1. Step 1: Write the proportion equation
   23,301.50 : 32,145.83 = 15,745.07 : x
2. Step 2: Convert to fraction form
   23,301.50/32,145.83 = 15,745.07/x
3. Step 3: Cross multiply
   23,301.50x = 32,145.83 × 15,745.07
4. Step 4: Simplify right side
   23,301.50x = 506,138,163.15
5. Step 5: Solve for x
   x = 506,138,163.15/23,301.50
6. Step 6: Final answer
   x = 21,721.27