Finding the Fourth Proportional to 1,784.39, 2,660.51 and 1,723.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,784.39 : 2,660.51 = 1,723.25 : x
2. Step 2: Convert to fraction form
   1,784.39/2,660.51 = 1,723.25/x
3. Step 3: Cross multiply
   1,784.39x = 2,660.51 × 1,723.25
4. Step 4: Simplify right side
   1,784.39x = 4,584,734.82
5. Step 5: Solve for x
   x = 4,584,734.82/1,784.39
6. Step 6: Final answer
   x = 2,569.36