Finding the Fourth Proportional to 1,996.69, 2,755.38 and 1,112.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,996.69 : 2,755.38 = 1,112.47 : x
2. Step 2: Convert to fraction form
   1,996.69/2,755.38 = 1,112.47/x
3. Step 3: Cross multiply
   1,996.69x = 2,755.38 × 1,112.47
4. Step 4: Simplify right side
   1,996.69x = 3,065,277.59
5. Step 5: Solve for x
   x = 3,065,277.59/1,996.69
6. Step 6: Final answer
   x = 1,535.18