Finding the Fourth Proportional to 23,167.31, 31,971.38 and 13,095.15

Step by Step Solution

1. Step 1: Write the proportion equation
   23,167.31 : 31,971.38 = 13,095.15 : x
2. Step 2: Convert to fraction form
   23,167.31/31,971.38 = 13,095.15/x
3. Step 3: Cross multiply
   23,167.31x = 31,971.38 × 13,095.15
4. Step 4: Simplify right side
   23,167.31x = 418,670,049.54
5. Step 5: Solve for x
   x = 418,670,049.54/23,167.31
6. Step 6: Final answer
   x = 18,071.58