Finding the Fourth Proportional to 1,782.98, 2,663.59 and 1,718.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,782.98 : 2,663.59 = 1,718.18 : x
2. Step 2: Convert to fraction form
   1,782.98/2,663.59 = 1,718.18/x
3. Step 3: Cross multiply
   1,782.98x = 2,663.59 × 1,718.18
4. Step 4: Simplify right side
   1,782.98x = 4,576,527.07
5. Step 5: Solve for x
   x = 4,576,527.07/1,782.98
6. Step 6: Final answer
   x = 2,566.79