Finding the Fourth Proportional to 23,164.42, 31,966.77 and 12,554.05

Step by Step Solution

1. Step 1: Write the proportion equation
   23,164.42 : 31,966.77 = 12,554.05 : x
2. Step 2: Convert to fraction form
   23,164.42/31,966.77 = 12,554.05/x
3. Step 3: Cross multiply
   23,164.42x = 31,966.77 × 12,554.05
4. Step 4: Simplify right side
   23,164.42x = 401,312,428.92
5. Step 5: Solve for x
   x = 401,312,428.92/23,164.42
6. Step 6: Final answer
   x = 17,324.52