Finding the Fourth Proportional to 23,174.52, 31,980.76 and 12,564.15

Step by Step Solution

1. Step 1: Write the proportion equation
   23,174.52 : 31,980.76 = 12,564.15 : x
2. Step 2: Convert to fraction form
   23,174.52/31,980.76 = 12,564.15/x
3. Step 3: Cross multiply
   23,174.52x = 31,980.76 × 12,564.15
4. Step 4: Simplify right side
   23,174.52x = 401,811,065.75
5. Step 5: Solve for x
   x = 401,811,065.75/23,174.52
6. Step 6: Final answer
   x = 17,338.48