Finding the Fourth Proportional to 2,756.12, 4,132.68 and 1,111.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,756.12 : 4,132.68 = 1,111.82 : x
2. Step 2: Convert to fraction form
   2,756.12/4,132.68 = 1,111.82/x
3. Step 3: Cross multiply
   2,756.12x = 4,132.68 × 1,111.82
4. Step 4: Simplify right side
   2,756.12x = 4,594,796.28
5. Step 5: Solve for x
   x = 4,594,796.28/2,756.12
6. Step 6: Final answer
   x = 1,667.12