Finding the Fourth Proportional to 3,812, 5,718.72 and 1,760

Step by Step Solution

1. Step 1: Write the proportion equation
   3,812 : 5,718.72 = 1,760 : x
2. Step 2: Convert to fraction form
   3,812/5,718.72 = 1,760/x
3. Step 3: Cross multiply
   3,812x = 5,718.72 × 1,760
4. Step 4: Simplify right side
   3,812x = 10,064,947.20
5. Step 5: Solve for x
   x = 10,064,947.20/3,812
6. Step 6: Final answer
   x = 2,640.33