Finding the Fourth Proportional to 1,949.68, 2,689.78 and 1,241.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,949.68 : 2,689.78 = 1,241.34 : x
2. Step 2: Convert to fraction form
   1,949.68/2,689.78 = 1,241.34/x
3. Step 3: Cross multiply
   1,949.68x = 2,689.78 × 1,241.34
4. Step 4: Simplify right side
   1,949.68x = 3,338,931.51
5. Step 5: Solve for x
   x = 3,338,931.51/1,949.68
6. Step 6: Final answer
   x = 1,712.55