Finding the Fourth Proportional to 1,819.94, 2,730.51 and 724.01

Step by Step Solution

1. Step 1: Write the proportion equation
   1,819.94 : 2,730.51 = 724.01 : x
2. Step 2: Convert to fraction form
   1,819.94/2,730.51 = 724.01/x
3. Step 3: Cross multiply
   1,819.94x = 2,730.51 × 724.01
4. Step 4: Simplify right side
   1,819.94x = 1,976,902.89
5. Step 5: Solve for x
   x = 1,976,902.89/1,819.94
6. Step 6: Final answer
   x = 1,086.25