Finding the Fourth Proportional to 2,053.84, 3,081.32 and 1,079.68

Step by Step Solution

1. Step 1: Write the proportion equation
   2,053.84 : 3,081.32 = 1,079.68 : x
2. Step 2: Convert to fraction form
   2,053.84/3,081.32 = 1,079.68/x
3. Step 3: Cross multiply
   2,053.84x = 3,081.32 × 1,079.68
4. Step 4: Simplify right side
   2,053.84x = 3,326,839.58
5. Step 5: Solve for x
   x = 3,326,839.58/2,053.84
6. Step 6: Final answer
   x = 1,619.81