Finding the Fourth Proportional to 2,095.61, 3,144.11 and 1,121.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,095.61 : 3,144.11 = 1,121.49 : x
2. Step 2: Convert to fraction form
   2,095.61/3,144.11 = 1,121.49/x
3. Step 3: Cross multiply
   2,095.61x = 3,144.11 × 1,121.49
4. Step 4: Simplify right side
   2,095.61x = 3,526,082.32
5. Step 5: Solve for x
   x = 3,526,082.32/2,095.61
6. Step 6: Final answer
   x = 1,682.61