Finding the Fourth Proportional to 2,086.05, 2,878.59 and 1,141.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,086.05 : 2,878.59 = 1,141.63 : x
2. Step 2: Convert to fraction form
   2,086.05/2,878.59 = 1,141.63/x
3. Step 3: Cross multiply
   2,086.05x = 2,878.59 × 1,141.63
4. Step 4: Simplify right side
   2,086.05x = 3,286,284.70
5. Step 5: Solve for x
   x = 3,286,284.70/2,086.05
6. Step 6: Final answer
   x = 1,575.36