Finding the Fourth Proportional to 23,186.52, 31,997.43 and 12,576.15

Step by Step Solution

1. Step 1: Write the proportion equation
   23,186.52 : 31,997.43 = 12,576.15 : x
2. Step 2: Convert to fraction form
   23,186.52/31,997.43 = 12,576.15/x
3. Step 3: Cross multiply
   23,186.52x = 31,997.43 × 12,576.15
4. Step 4: Simplify right side
   23,186.52x = 402,404,479.29
5. Step 5: Solve for x
   x = 402,404,479.29/23,186.52
6. Step 6: Final answer
   x = 17,355.10