Finding the Fourth Proportional to 23,186.82, 31,997.86 and 12,576.50

Step by Step Solution

1. Step 1: Write the proportion equation
   23,186.82 : 31,997.86 = 12,576.50 : x
2. Step 2: Convert to fraction form
   23,186.82/31,997.86 = 12,576.50/x
3. Step 3: Cross multiply
   23,186.82x = 31,997.86 × 12,576.50
4. Step 4: Simplify right side
   23,186.82x = 402,420,894.86
5. Step 5: Solve for x
   x = 402,420,894.86/23,186.82
6. Step 6: Final answer
   x = 17,355.59