Finding the Fourth Proportional to 2,053.35, 3,081.65 and 1,079.73

Step by Step Solution

1. Step 1: Write the proportion equation
   2,053.35 : 3,081.65 = 1,079.73 : x
2. Step 2: Convert to fraction form
   2,053.35/3,081.65 = 1,079.73/x
3. Step 3: Cross multiply
   2,053.35x = 3,081.65 × 1,079.73
4. Step 4: Simplify right side
   2,053.35x = 3,327,344.56
5. Step 5: Solve for x
   x = 3,327,344.56/2,053.35
6. Step 6: Final answer
   x = 1,620.45