Finding the Fourth Proportional to 1,896.75, 2,615.69 and 1,747.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,896.75 : 2,615.69 = 1,747.78 : x
2. Step 2: Convert to fraction form
   1,896.75/2,615.69 = 1,747.78/x
3. Step 3: Cross multiply
   1,896.75x = 2,615.69 × 1,747.78
4. Step 4: Simplify right side
   1,896.75x = 4,571,648.50
5. Step 5: Solve for x
   x = 4,571,648.50/1,896.75
6. Step 6: Final answer
   x = 2,410.25