Finding the Fourth Proportional to 2,381.51, 3,568.56 and 1,065.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,381.51 : 3,568.56 = 1,065.05 : x
2. Step 2: Convert to fraction form
   2,381.51/3,568.56 = 1,065.05/x
3. Step 3: Cross multiply
   2,381.51x = 3,568.56 × 1,065.05
4. Step 4: Simplify right side
   2,381.51x = 3,800,676.99
5. Step 5: Solve for x
   x = 3,800,676.99/2,381.51
6. Step 6: Final answer
   x = 1,595.91