Finding the Fourth Proportional to 23,581.38, 32,542.38 and 12,971.69

Step by Step Solution

1. Step 1: Write the proportion equation
   23,581.38 : 32,542.38 = 12,971.69 : x
2. Step 2: Convert to fraction form
   23,581.38/32,542.38 = 12,971.69/x
3. Step 3: Cross multiply
   23,581.38x = 32,542.38 × 12,971.69
4. Step 4: Simplify right side
   23,581.38x = 422,129,502.51
5. Step 5: Solve for x
   x = 422,129,502.51/23,581.38
6. Step 6: Final answer
   x = 17,900.97