Finding the Fourth Proportional to 2,052.79, 3,080.82 and 1,065.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,052.79 : 3,080.82 = 1,065.89 : x
2. Step 2: Convert to fraction form
   2,052.79/3,080.82 = 1,065.89/x
3. Step 3: Cross multiply
   2,052.79x = 3,080.82 × 1,065.89
4. Step 4: Simplify right side
   2,052.79x = 3,283,815.23
5. Step 5: Solve for x
   x = 3,283,815.23/2,052.79
6. Step 6: Final answer
   x = 1,599.68