Finding the Fourth Proportional to 2,740.72, 4,111.62 and 1,009.36

Step by Step Solution

1. Step 1: Write the proportion equation
   2,740.72 : 4,111.62 = 1,009.36 : x
2. Step 2: Convert to fraction form
   2,740.72/4,111.62 = 1,009.36/x
3. Step 3: Cross multiply
   2,740.72x = 4,111.62 × 1,009.36
4. Step 4: Simplify right side
   2,740.72x = 4,150,104.76
5. Step 5: Solve for x
   x = 4,150,104.76/2,740.72
6. Step 6: Final answer
   x = 1,514.24