Finding the Fourth Proportional to 23,164.28, 31,966.74 and 12,553.82

Step by Step Solution

1. Step 1: Write the proportion equation
   23,164.28 : 31,966.74 = 12,553.82 : x
2. Step 2: Convert to fraction form
   23,164.28/31,966.74 = 12,553.82/x
3. Step 3: Cross multiply
   23,164.28x = 31,966.74 × 12,553.82
4. Step 4: Simplify right side
   23,164.28x = 401,304,699.95
5. Step 5: Solve for x
   x = 401,304,699.95/23,164.28
6. Step 6: Final answer
   x = 17,324.29