Finding the Fourth Proportional to 2,116.08, 3,169.49 and 1,074.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,116.08 : 3,169.49 = 1,074.28 : x
2. Step 2: Convert to fraction form
   2,116.08/3,169.49 = 1,074.28/x
3. Step 3: Cross multiply
   2,116.08x = 3,169.49 × 1,074.28
4. Step 4: Simplify right side
   2,116.08x = 3,404,914.35
5. Step 5: Solve for x
   x = 3,404,914.35/2,116.08
6. Step 6: Final answer
   x = 1,609.07