Finding the Fourth Proportional to 2,531.07, 3,794.29 and 1,069.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,531.07 : 3,794.29 = 1,069.42 : x
2. Step 2: Convert to fraction form
   2,531.07/3,794.29 = 1,069.42/x
3. Step 3: Cross multiply
   2,531.07x = 3,794.29 × 1,069.42
4. Step 4: Simplify right side
   2,531.07x = 4,057,689.61
5. Step 5: Solve for x
   x = 4,057,689.61/2,531.07
6. Step 6: Final answer
   x = 1,603.15