Finding the Fourth Proportional to 2,053.42, 3,081.03 and 1,079.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,053.42 : 3,081.03 = 1,079.30 : x
2. Step 2: Convert to fraction form
   2,053.42/3,081.03 = 1,079.30/x
3. Step 3: Cross multiply
   2,053.42x = 3,081.03 × 1,079.30
4. Step 4: Simplify right side
   2,053.42x = 3,325,355.68
5. Step 5: Solve for x
   x = 3,325,355.68/2,053.42
6. Step 6: Final answer
   x = 1,619.42