Finding the Fourth Proportional to 23,164.13, 31,966.52 and 12,553.76

Step by Step Solution

1. Step 1: Write the proportion equation
   23,164.13 : 31,966.52 = 12,553.76 : x
2. Step 2: Convert to fraction form
   23,164.13/31,966.52 = 12,553.76/x
3. Step 3: Cross multiply
   23,164.13x = 31,966.52 × 12,553.76
4. Step 4: Simplify right side
   23,164.13x = 401,300,037.26
5. Step 5: Solve for x
   x = 401,300,037.26/23,164.13
6. Step 6: Final answer
   x = 17,324.20