Finding the Fourth Proportional to 1,896.79, 2,617.12 and 1,150.73

Step by Step Solution

1. Step 1: Write the proportion equation
   1,896.79 : 2,617.12 = 1,150.73 : x
2. Step 2: Convert to fraction form
   1,896.79/2,617.12 = 1,150.73/x
3. Step 3: Cross multiply
   1,896.79x = 2,617.12 × 1,150.73
4. Step 4: Simplify right side
   1,896.79x = 3,011,594.60
5. Step 5: Solve for x
   x = 3,011,594.60/1,896.79
6. Step 6: Final answer
   x = 1,587.73