Finding the Fourth Proportional to 23,174.50, 31,980.62 and 12,563.86

Step by Step Solution

1. Step 1: Write the proportion equation
   23,174.50 : 31,980.62 = 12,563.86 : x
2. Step 2: Convert to fraction form
   23,174.50/31,980.62 = 12,563.86/x
3. Step 3: Cross multiply
   23,174.50x = 31,980.62 × 12,563.86
4. Step 4: Simplify right side
   23,174.50x = 401,800,032.39
5. Step 5: Solve for x
   x = 401,800,032.39/23,174.50
6. Step 6: Final answer
   x = 17,338.02