Finding the Fourth Proportional to 1,949.05, 2,920.83 and 1,127.53

Step by Step Solution

1. Step 1: Write the proportion equation
   1,949.05 : 2,920.83 = 1,127.53 : x
2. Step 2: Convert to fraction form
   1,949.05/2,920.83 = 1,127.53/x
3. Step 3: Cross multiply
   1,949.05x = 2,920.83 × 1,127.53
4. Step 4: Simplify right side
   1,949.05x = 3,293,323.45
5. Step 5: Solve for x
   x = 3,293,323.45/1,949.05
6. Step 6: Final answer
   x = 1,689.71