Finding the Fourth Proportional to 8,123.52, 12,186.56 and 3,443.54

Step by Step Solution

1. Step 1: Write the proportion equation
   8,123.52 : 12,186.56 = 3,443.54 : x
2. Step 2: Convert to fraction form
   8,123.52/12,186.56 = 3,443.54/x
3. Step 3: Cross multiply
   8,123.52x = 12,186.56 × 3,443.54
4. Step 4: Simplify right side
   8,123.52x = 41,964,906.82
5. Step 5: Solve for x
   x = 41,964,906.82/8,123.52
6. Step 6: Final answer
   x = 5,165.85