Finding the Fourth Proportional to 23,581.39, 32,541.63 and 12,971.02

Step by Step Solution

1. Step 1: Write the proportion equation
   23,581.39 : 32,541.63 = 12,971.02 : x
2. Step 2: Convert to fraction form
   23,581.39/32,541.63 = 12,971.02/x
3. Step 3: Cross multiply
   23,581.39x = 32,541.63 × 12,971.02
4. Step 4: Simplify right side
   23,581.39x = 422,098,133.56
5. Step 5: Solve for x
   x = 422,098,133.56/23,581.39
6. Step 6: Final answer
   x = 17,899.63