Finding the Fourth Proportional to 39,871, 55,022.02 and 23,113.72

Step by Step Solution

1. Step 1: Write the proportion equation
   39,871 : 55,022.02 = 23,113.72 : x
2. Step 2: Convert to fraction form
   39,871/55,022.02 = 23,113.72/x
3. Step 3: Cross multiply
   39,871x = 55,022.02 × 23,113.72
4. Step 4: Simplify right side
   39,871x = 1,271,763,564.11
5. Step 5: Solve for x
   x = 1,271,763,564.11/39,871
6. Step 6: Final answer
   x = 31,896.96