Finding the Fourth Proportional to 2,718.06, 3,749.59 and 1,921.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,718.06 : 3,749.59 = 1,921.52 : x
2. Step 2: Convert to fraction form
   2,718.06/3,749.59 = 1,921.52/x
3. Step 3: Cross multiply
   2,718.06x = 3,749.59 × 1,921.52
4. Step 4: Simplify right side
   2,718.06x = 7,204,902.57
5. Step 5: Solve for x
   x = 7,204,902.57/2,718.06
6. Step 6: Final answer
   x = 2,650.76