Finding the Fourth Proportional to 23,164.19, 31,966.61 and 12,553.82

Step by Step Solution

1. Step 1: Write the proportion equation
   23,164.19 : 31,966.61 = 12,553.82 : x
2. Step 2: Convert to fraction form
   23,164.19/31,966.61 = 12,553.82/x
3. Step 3: Cross multiply
   23,164.19x = 31,966.61 × 12,553.82
4. Step 4: Simplify right side
   23,164.19x = 401,302,965.22
5. Step 5: Solve for x
   x = 401,302,965.22/23,164.19
6. Step 6: Final answer
   x = 17,324.28