Finding the Fourth Proportional to 23,174.12, 31,980.42 and 12,563.84

Step by Step Solution

1. Step 1: Write the proportion equation
   23,174.12 : 31,980.42 = 12,563.84 : x
2. Step 2: Convert to fraction form
   23,174.12/31,980.42 = 12,563.84/x
3. Step 3: Cross multiply
   23,174.12x = 31,980.42 × 12,563.84
4. Step 4: Simplify right side
   23,174.12x = 401,796,880.01
5. Step 5: Solve for x
   x = 401,796,880.01/23,174.12
6. Step 6: Final answer
   x = 17,338.17