Finding the Fourth Proportional to 2,095.30, 3,144.03 and 1,121.70

Step by Step Solution

1. Step 1: Write the proportion equation
   2,095.30 : 3,144.03 = 1,121.70 : x
2. Step 2: Convert to fraction form
   2,095.30/3,144.03 = 1,121.70/x
3. Step 3: Cross multiply
   2,095.30x = 3,144.03 × 1,121.70
4. Step 4: Simplify right side
   2,095.30x = 3,526,658.45
5. Step 5: Solve for x
   x = 3,526,658.45/2,095.30
6. Step 6: Final answer
   x = 1,683.13