Finding the Fourth Proportional to 1,896.72, 2,617.49 and 1,110.79

Step by Step Solution

1. Step 1: Write the proportion equation
   1,896.72 : 2,617.49 = 1,110.79 : x
2. Step 2: Convert to fraction form
   1,896.72/2,617.49 = 1,110.79/x
3. Step 3: Cross multiply
   1,896.72x = 2,617.49 × 1,110.79
4. Step 4: Simplify right side
   1,896.72x = 2,907,481.72
5. Step 5: Solve for x
   x = 2,907,481.72/1,896.72
6. Step 6: Final answer
   x = 1,532.90