Finding the Fourth Proportional to 2,742.12, 4,111.92 and 1,009.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,742.12 : 4,111.92 = 1,009.56 : x
2. Step 2: Convert to fraction form
   2,742.12/4,111.92 = 1,009.56/x
3. Step 3: Cross multiply
   2,742.12x = 4,111.92 × 1,009.56
4. Step 4: Simplify right side
   2,742.12x = 4,151,229.96
5. Step 5: Solve for x
   x = 4,151,229.96/2,742.12
6. Step 6: Final answer
   x = 1,513.88