Finding the Fourth Proportional to 2,411.22, 3,618.89 and 1,719.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,411.22 : 3,618.89 = 1,719.58 : x
2. Step 2: Convert to fraction form
   2,411.22/3,618.89 = 1,719.58/x
3. Step 3: Cross multiply
   2,411.22x = 3,618.89 × 1,719.58
4. Step 4: Simplify right side
   2,411.22x = 6,222,970.87
5. Step 5: Solve for x
   x = 6,222,970.87/2,411.22
6. Step 6: Final answer
   x = 2,580.84