Finding the Fourth Proportional to 1,996.84, 2,755.54 and 1,112.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,996.84 : 2,755.54 = 1,112.72 : x
2. Step 2: Convert to fraction form
   1,996.84/2,755.54 = 1,112.72/x
3. Step 3: Cross multiply
   1,996.84x = 2,755.54 × 1,112.72
4. Step 4: Simplify right side
   1,996.84x = 3,066,144.47
5. Step 5: Solve for x
   x = 3,066,144.47/1,996.84
6. Step 6: Final answer
   x = 1,535.50