Finding the Fourth Proportional to 2,107.81, 2,908.06 and 1,362.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,107.81 : 2,908.06 = 1,362.27 : x
2. Step 2: Convert to fraction form
   2,107.81/2,908.06 = 1,362.27/x
3. Step 3: Cross multiply
   2,107.81x = 2,908.06 × 1,362.27
4. Step 4: Simplify right side
   2,107.81x = 3,961,562.90
5. Step 5: Solve for x
   x = 3,961,562.90/2,107.81
6. Step 6: Final answer
   x = 1,879.47