Finding the Fourth Proportional to 23,183.90, 31,993.77 and 12,573.50

Step by Step Solution

1. Step 1: Write the proportion equation
   23,183.90 : 31,993.77 = 12,573.50 : x
2. Step 2: Convert to fraction form
   23,183.90/31,993.77 = 12,573.50/x
3. Step 3: Cross multiply
   23,183.90x = 31,993.77 × 12,573.50
4. Step 4: Simplify right side
   23,183.90x = 402,273,667.10
5. Step 5: Solve for x
   x = 402,273,667.10/23,183.90
6. Step 6: Final answer
   x = 17,351.42