Finding the Fourth Proportional to 2,072.33, 2,859.82 and 1,140.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,072.33 : 2,859.82 = 1,140.83 : x
2. Step 2: Convert to fraction form
   2,072.33/2,859.82 = 1,140.83/x
3. Step 3: Cross multiply
   2,072.33x = 2,859.82 × 1,140.83
4. Step 4: Simplify right side
   2,072.33x = 3,262,562.75
5. Step 5: Solve for x
   x = 3,262,562.75/2,072.33
6. Step 6: Final answer
   x = 1,574.35