Finding the Fourth Proportional to 1,719.54, 2,372.13 and 1,020.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,719.54 : 2,372.13 = 1,020.42 : x
2. Step 2: Convert to fraction form
   1,719.54/2,372.13 = 1,020.42/x
3. Step 3: Cross multiply
   1,719.54x = 2,372.13 × 1,020.42
4. Step 4: Simplify right side
   1,719.54x = 2,420,568.89
5. Step 5: Solve for x
   x = 2,420,568.89/1,719.54
6. Step 6: Final answer
   x = 1,407.68