Finding the Fourth Proportional to 1,891.82, 2,610.69 and 1,052.57

Step by Step Solution

1. Step 1: Write the proportion equation
   1,891.82 : 2,610.69 = 1,052.57 : x
2. Step 2: Convert to fraction form
   1,891.82/2,610.69 = 1,052.57/x
3. Step 3: Cross multiply
   1,891.82x = 2,610.69 × 1,052.57
4. Step 4: Simplify right side
   1,891.82x = 2,747,920.92
5. Step 5: Solve for x
   x = 2,747,920.92/1,891.82
6. Step 6: Final answer
   x = 1,452.53