Finding the Fourth Proportional to 1,819.05, 2,510.39 and 1,022.63

Step by Step Solution

1. Step 1: Write the proportion equation
   1,819.05 : 2,510.39 = 1,022.63 : x
2. Step 2: Convert to fraction form
   1,819.05/2,510.39 = 1,022.63/x
3. Step 3: Cross multiply
   1,819.05x = 2,510.39 × 1,022.63
4. Step 4: Simplify right side
   1,819.05x = 2,567,182.46
5. Step 5: Solve for x
   x = 2,567,182.46/1,819.05
6. Step 6: Final answer
   x = 1,411.28