Finding the Fourth Proportional to 23,160.38, 31,961.42 and 12,550.01

Step by Step Solution

1. Step 1: Write the proportion equation
   23,160.38 : 31,961.42 = 12,550.01 : x
2. Step 2: Convert to fraction form
   23,160.38/31,961.42 = 12,550.01/x
3. Step 3: Cross multiply
   23,160.38x = 31,961.42 × 12,550.01
4. Step 4: Simplify right side
   23,160.38x = 401,115,918.06
5. Step 5: Solve for x
   x = 401,115,918.06/23,160.38
6. Step 6: Final answer
   x = 17,319.06