Finding the Fourth Proportional to 8,442.35, 12,665.01 and 3,247.82

Step by Step Solution

1. Step 1: Write the proportion equation
   8,442.35 : 12,665.01 = 3,247.82 : x
2. Step 2: Convert to fraction form
   8,442.35/12,665.01 = 3,247.82/x
3. Step 3: Cross multiply
   8,442.35x = 12,665.01 × 3,247.82
4. Step 4: Simplify right side
   8,442.35x = 41,133,672.78
5. Step 5: Solve for x
   x = 41,133,672.78/8,442.35
6. Step 6: Final answer
   x = 4,872.30