Finding the Fourth Proportional to 23,186.86, 31,997.82 and 12,576.46

Step by Step Solution

1. Step 1: Write the proportion equation
   23,186.86 : 31,997.82 = 12,576.46 : x
2. Step 2: Convert to fraction form
   23,186.86/31,997.82 = 12,576.46/x
3. Step 3: Cross multiply
   23,186.86x = 31,997.82 × 12,576.46
4. Step 4: Simplify right side
   23,186.86x = 402,419,303.32
5. Step 5: Solve for x
   x = 402,419,303.32/23,186.86
6. Step 6: Final answer
   x = 17,355.49