Finding the Fourth Proportional to 1,996.72, 2,754.12 and 1,168.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,996.72 : 2,754.12 = 1,168.72 : x
2. Step 2: Convert to fraction form
   1,996.72/2,754.12 = 1,168.72/x
3. Step 3: Cross multiply
   1,996.72x = 2,754.12 × 1,168.72
4. Step 4: Simplify right side
   1,996.72x = 3,218,795.13
5. Step 5: Solve for x
   x = 3,218,795.13/1,996.72
6. Step 6: Final answer
   x = 1,612.04