Finding the Fourth Proportional to 2,710.08, 4,067.10 and 978.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,710.08 : 4,067.10 = 978.84 : x
2. Step 2: Convert to fraction form
   2,710.08/4,067.10 = 978.84/x
3. Step 3: Cross multiply
   2,710.08x = 4,067.10 × 978.84
4. Step 4: Simplify right side
   2,710.08x = 3,981,040.16
5. Step 5: Solve for x
   x = 3,981,040.16/2,710.08
6. Step 6: Final answer
   x = 1,468.98