Finding the Fourth Proportional to 1,719.10, 2,371.81 and 1,010.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,719.10 : 2,371.81 = 1,010.72 : x
2. Step 2: Convert to fraction form
   1,719.10/2,371.81 = 1,010.72/x
3. Step 3: Cross multiply
   1,719.10x = 2,371.81 × 1,010.72
4. Step 4: Simplify right side
   1,719.10x = 2,397,223.94
5. Step 5: Solve for x
   x = 2,397,223.94/1,719.10
6. Step 6: Final answer
   x = 1,394.46