Finding the Fourth Proportional to 3,555.42, 5,336.89 and 1,996.76

Step by Step Solution

1. Step 1: Write the proportion equation
   3,555.42 : 5,336.89 = 1,996.76 : x
2. Step 2: Convert to fraction form
   3,555.42/5,336.89 = 1,996.76/x
3. Step 3: Cross multiply
   3,555.42x = 5,336.89 × 1,996.76
4. Step 4: Simplify right side
   3,555.42x = 10,656,456.80
5. Step 5: Solve for x
   x = 10,656,456.80/3,555.42
6. Step 6: Final answer
   x = 2,997.24