Finding the Fourth Proportional to 23,049.50, 31,806.42 and 12,974.72

Step by Step Solution

1. Step 1: Write the proportion equation
   23,049.50 : 31,806.42 = 12,974.72 : x
2. Step 2: Convert to fraction form
   23,049.50/31,806.42 = 12,974.72/x
3. Step 3: Cross multiply
   23,049.50x = 31,806.42 × 12,974.72
4. Step 4: Simplify right side
   23,049.50x = 412,679,393.70
5. Step 5: Solve for x
   x = 412,679,393.70/23,049.50
6. Step 6: Final answer
   x = 17,904.05