Finding the Fourth Proportional to 1,996.71, 2,755.36 and 1,100.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,996.71 : 2,755.36 = 1,100.42 : x
2. Step 2: Convert to fraction form
   1,996.71/2,755.36 = 1,100.42/x
3. Step 3: Cross multiply
   1,996.71x = 2,755.36 × 1,100.42
4. Step 4: Simplify right side
   1,996.71x = 3,032,053.25
5. Step 5: Solve for x
   x = 3,032,053.25/1,996.71
6. Step 6: Final answer
   x = 1,518.52