Finding the Fourth Proportional to 23,174.16, 31,980.24 and 12,563.76

Step by Step Solution

1. Step 1: Write the proportion equation
   23,174.16 : 31,980.24 = 12,563.76 : x
2. Step 2: Convert to fraction form
   23,174.16/31,980.24 = 12,563.76/x
3. Step 3: Cross multiply
   23,174.16x = 31,980.24 × 12,563.76
4. Step 4: Simplify right side
   23,174.16x = 401,792,060.10
5. Step 5: Solve for x
   x = 401,792,060.10/23,174.16
6. Step 6: Final answer
   x = 17,337.93