Finding the Fourth Proportional to 23,116.52, 31,900.77 and 12,506.12

Step by Step Solution

1. Step 1: Write the proportion equation
   23,116.52 : 31,900.77 = 12,506.12 : x
2. Step 2: Convert to fraction form
   23,116.52/31,900.77 = 12,506.12/x
3. Step 3: Cross multiply
   23,116.52x = 31,900.77 × 12,506.12
4. Step 4: Simplify right side
   23,116.52x = 398,954,857.71
5. Step 5: Solve for x
   x = 398,954,857.71/23,116.52
6. Step 6: Final answer
   x = 17,258.43