Finding the Fourth Proportional to 1,996.98, 2,755.80 and 1,112.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,996.98 : 2,755.80 = 1,112.76 : x
2. Step 2: Convert to fraction form
   1,996.98/2,755.80 = 1,112.76/x
3. Step 3: Cross multiply
   1,996.98x = 2,755.80 × 1,112.76
4. Step 4: Simplify right side
   1,996.98x = 3,066,544.01
5. Step 5: Solve for x
   x = 3,066,544.01/1,996.98
6. Step 6: Final answer
   x = 1,535.59