Finding the Fourth Proportional to 23,175.07, 31,980.73 and 12,564.47

Step by Step Solution

1. Step 1: Write the proportion equation
   23,175.07 : 31,980.73 = 12,564.47 : x
2. Step 2: Convert to fraction form
   23,175.07/31,980.73 = 12,564.47/x
3. Step 3: Cross multiply
   23,175.07x = 31,980.73 × 12,564.47
4. Step 4: Simplify right side
   23,175.07x = 401,820,922.66
5. Step 5: Solve for x
   x = 401,820,922.66/23,175.07
6. Step 6: Final answer
   x = 17,338.50