Finding the Fourth Proportional to 23,016.12, 31,761 and 12,946.20

Step by Step Solution

1. Step 1: Write the proportion equation
   23,016.12 : 31,761 = 12,946.20 : x
2. Step 2: Convert to fraction form
   23,016.12/31,761 = 12,946.20/x
3. Step 3: Cross multiply
   23,016.12x = 31,761 × 12,946.20
4. Step 4: Simplify right side
   23,016.12x = 411,184,258.20
5. Step 5: Solve for x
   x = 411,184,258.20/23,016.12
6. Step 6: Final answer
   x = 17,865.06