Finding the Fourth Proportional to 2,739.78, 4,109.27 and 1,008

Step by Step Solution

1. Step 1: Write the proportion equation
   2,739.78 : 4,109.27 = 1,008 : x
2. Step 2: Convert to fraction form
   2,739.78/4,109.27 = 1,008/x
3. Step 3: Cross multiply
   2,739.78x = 4,109.27 × 1,008
4. Step 4: Simplify right side
   2,739.78x = 4,142,139.12
5. Step 5: Solve for x
   x = 4,142,139.12/2,739.78
6. Step 6: Final answer
   x = 1,511.85