Finding the Fourth Proportional to 1,568.52, 2,352.52 and 690.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,568.52 : 2,352.52 = 690.82 : x
2. Step 2: Convert to fraction form
   1,568.52/2,352.52 = 690.82/x
3. Step 3: Cross multiply
   1,568.52x = 2,352.52 × 690.82
4. Step 4: Simplify right side
   1,568.52x = 1,625,167.87
5. Step 5: Solve for x
   x = 1,625,167.87/1,568.52
6. Step 6: Final answer
   x = 1,036.12