Finding the Fourth Proportional to 23,581.72, 32,542.72 and 12,971.33

Step by Step Solution

1. Step 1: Write the proportion equation
   23,581.72 : 32,542.72 = 12,971.33 : x
2. Step 2: Convert to fraction form
   23,581.72/32,542.72 = 12,971.33/x
3. Step 3: Cross multiply
   23,581.72x = 32,542.72 × 12,971.33
4. Step 4: Simplify right side
   23,581.72x = 422,122,360.22
5. Step 5: Solve for x
   x = 422,122,360.22/23,581.72
6. Step 6: Final answer
   x = 17,900.41