Finding the Fourth Proportional to 2,053.55, 3,081.54 and 1,079.73

Step by Step Solution

1. Step 1: Write the proportion equation
   2,053.55 : 3,081.54 = 1,079.73 : x
2. Step 2: Convert to fraction form
   2,053.55/3,081.54 = 1,079.73/x
3. Step 3: Cross multiply
   2,053.55x = 3,081.54 × 1,079.73
4. Step 4: Simplify right side
   2,053.55x = 3,327,235.23
5. Step 5: Solve for x
   x = 3,327,235.23/2,053.55
6. Step 6: Final answer
   x = 1,620.23