Finding the Fourth Proportional to 2,679.08, 4,016.16 and 1,036.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,679.08 : 4,016.16 = 1,036.72 : x
2. Step 2: Convert to fraction form
   2,679.08/4,016.16 = 1,036.72/x
3. Step 3: Cross multiply
   2,679.08x = 4,016.16 × 1,036.72
4. Step 4: Simplify right side
   2,679.08x = 4,163,633.40
5. Step 5: Solve for x
   x = 4,163,633.40/2,679.08
6. Step 6: Final answer
   x = 1,554.13