Finding the Fourth Proportional to 23,166.24, 31,969.54 and 12,555.84

Step by Step Solution

1. Step 1: Write the proportion equation
   23,166.24 : 31,969.54 = 12,555.84 : x
2. Step 2: Convert to fraction form
   23,166.24/31,969.54 = 12,555.84/x
3. Step 3: Cross multiply
   23,166.24x = 31,969.54 × 12,555.84
4. Step 4: Simplify right side
   23,166.24x = 401,404,429.11
5. Step 5: Solve for x
   x = 401,404,429.11/23,166.24
6. Step 6: Final answer
   x = 17,327.13