Finding the Fourth Proportional to 1,996.58, 2,755.32 and 1,112.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,996.58 : 2,755.32 = 1,112.43 : x
2. Step 2: Convert to fraction form
   1,996.58/2,755.32 = 1,112.43/x
3. Step 3: Cross multiply
   1,996.58x = 2,755.32 × 1,112.43
4. Step 4: Simplify right side
   1,996.58x = 3,065,106.79
5. Step 5: Solve for x
   x = 3,065,106.79/1,996.58
6. Step 6: Final answer
   x = 1,535.18