Finding the Fourth Proportional to 1,812.71, 2,501.61 and 1,026.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,812.71 : 2,501.61 = 1,026.83 : x
2. Step 2: Convert to fraction form
   1,812.71/2,501.61 = 1,026.83/x
3. Step 3: Cross multiply
   1,812.71x = 2,501.61 × 1,026.83
4. Step 4: Simplify right side
   1,812.71x = 2,568,728.20
5. Step 5: Solve for x
   x = 2,568,728.20/1,812.71
6. Step 6: Final answer
   x = 1,417.07