Finding the Fourth Proportional to 1,896.22, 2,839.83 and 919.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,896.22 : 2,839.83 = 919.18 : x
2. Step 2: Convert to fraction form
   1,896.22/2,839.83 = 919.18/x
3. Step 3: Cross multiply
   1,896.22x = 2,839.83 × 919.18
4. Step 4: Simplify right side
   1,896.22x = 2,610,314.94
5. Step 5: Solve for x
   x = 2,610,314.94/1,896.22
6. Step 6: Final answer
   x = 1,376.59