Finding the Fourth Proportional to 1,819.72, 2,510.17 and 1,073.57

Step by Step Solution

1. Step 1: Write the proportion equation
   1,819.72 : 2,510.17 = 1,073.57 : x
2. Step 2: Convert to fraction form
   1,819.72/2,510.17 = 1,073.57/x
3. Step 3: Cross multiply
   1,819.72x = 2,510.17 × 1,073.57
4. Step 4: Simplify right side
   1,819.72x = 2,694,843.21
5. Step 5: Solve for x
   x = 2,694,843.21/1,819.72
6. Step 6: Final answer
   x = 1,480.91