Finding the Fourth Proportional to 2,559.59, 3,529 and 1,673.99

Step by Step Solution

1. Step 1: Write the proportion equation
   2,559.59 : 3,529 = 1,673.99 : x
2. Step 2: Convert to fraction form
   2,559.59/3,529 = 1,673.99/x
3. Step 3: Cross multiply
   2,559.59x = 3,529 × 1,673.99
4. Step 4: Simplify right side
   2,559.59x = 5,907,510.71
5. Step 5: Solve for x
   x = 5,907,510.71/2,559.59
6. Step 6: Final answer
   x = 2,307.99