Finding the Fourth Proportional to 2,558.98, 3,529.33 and 1,719.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,558.98 : 3,529.33 = 1,719.42 : x
2. Step 2: Convert to fraction form
   2,558.98/3,529.33 = 1,719.42/x
3. Step 3: Cross multiply
   2,558.98x = 3,529.33 × 1,719.42
4. Step 4: Simplify right side
   2,558.98x = 6,068,400.59
5. Step 5: Solve for x
   x = 6,068,400.59/2,558.98
6. Step 6: Final answer
   x = 2,371.41