Finding the Fourth Proportional to 23,175.72, 31,982.72 and 12,565.53

Step by Step Solution

1. Step 1: Write the proportion equation
   23,175.72 : 31,982.72 = 12,565.53 : x
2. Step 2: Convert to fraction form
   23,175.72/31,982.72 = 12,565.53/x
3. Step 3: Cross multiply
   23,175.72x = 31,982.72 × 12,565.53
4. Step 4: Simplify right side
   23,175.72x = 401,879,764.81
5. Step 5: Solve for x
   x = 401,879,764.81/23,175.72
6. Step 6: Final answer
   x = 17,340.55