Finding the Fourth Proportional to 23,174.52, 31,980.54 and 12,564.12

Step by Step Solution

1. Step 1: Write the proportion equation
   23,174.52 : 31,980.54 = 12,564.12 : x
2. Step 2: Convert to fraction form
   23,174.52/31,980.54 = 12,564.12/x
3. Step 3: Cross multiply
   23,174.52x = 31,980.54 × 12,564.12
4. Step 4: Simplify right side
   23,174.52x = 401,807,342.22
5. Step 5: Solve for x
   x = 401,807,342.22/23,174.52
6. Step 6: Final answer
   x = 17,338.32