Finding the Fourth Proportional to 23,158.22, 31,958.49 and 12,547.94

Step by Step Solution

1. Step 1: Write the proportion equation
   23,158.22 : 31,958.49 = 12,547.94 : x
2. Step 2: Convert to fraction form
   23,158.22/31,958.49 = 12,547.94/x
3. Step 3: Cross multiply
   23,158.22x = 31,958.49 × 12,547.94
4. Step 4: Simplify right side
   23,158.22x = 401,013,055.22
5. Step 5: Solve for x
   x = 401,013,055.22/23,158.22
6. Step 6: Final answer
   x = 17,316.23