Finding the Fourth Proportional to 2,095.40, 3,141.30 and 1,069.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,095.40 : 3,141.30 = 1,069.40 : x
2. Step 2: Convert to fraction form
   2,095.40/3,141.30 = 1,069.40/x
3. Step 3: Cross multiply
   2,095.40x = 3,141.30 × 1,069.40
4. Step 4: Simplify right side
   2,095.40x = 3,359,306.22
5. Step 5: Solve for x
   x = 3,359,306.22/2,095.40
6. Step 6: Final answer
   x = 1,603.18