Finding the Fourth Proportional to 1,719.81, 2,574.81 and 1,610.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,719.81 : 2,574.81 = 1,610.83 : x
2. Step 2: Convert to fraction form
   1,719.81/2,574.81 = 1,610.83/x
3. Step 3: Cross multiply
   1,719.81x = 2,574.81 × 1,610.83
4. Step 4: Simplify right side
   1,719.81x = 4,147,581.19
5. Step 5: Solve for x
   x = 4,147,581.19/1,719.81
6. Step 6: Final answer
   x = 2,411.65