Finding the Fourth Proportional to 1,773.16, 2,640.59 and 1,727.80

Step by Step Solution

1. Step 1: Write the proportion equation
   1,773.16 : 2,640.59 = 1,727.80 : x
2. Step 2: Convert to fraction form
   1,773.16/2,640.59 = 1,727.80/x
3. Step 3: Cross multiply
   1,773.16x = 2,640.59 × 1,727.80
4. Step 4: Simplify right side
   1,773.16x = 4,562,411.40
5. Step 5: Solve for x
   x = 4,562,411.40/1,773.16
6. Step 6: Final answer
   x = 2,573.04