Finding the Fourth Proportional to 3,996.86, 5,515.82 and 2,204.46

Step by Step Solution

1. Step 1: Write the proportion equation
   3,996.86 : 5,515.82 = 2,204.46 : x
2. Step 2: Convert to fraction form
   3,996.86/5,515.82 = 2,204.46/x
3. Step 3: Cross multiply
   3,996.86x = 5,515.82 × 2,204.46
4. Step 4: Simplify right side
   3,996.86x = 12,159,393.53
5. Step 5: Solve for x
   x = 12,159,393.53/3,996.86
6. Step 6: Final answer
   x = 3,042.24