Finding the Fourth Proportional to 2,078.52, 2,865.78 and 1,746.21

Step by Step Solution

1. Step 1: Write the proportion equation
   2,078.52 : 2,865.78 = 1,746.21 : x
2. Step 2: Convert to fraction form
   2,078.52/2,865.78 = 1,746.21/x
3. Step 3: Cross multiply
   2,078.52x = 2,865.78 × 1,746.21
4. Step 4: Simplify right side
   2,078.52x = 5,004,253.69
5. Step 5: Solve for x
   x = 5,004,253.69/2,078.52
6. Step 6: Final answer
   x = 2,407.60