Finding the Fourth Proportional to 1,819.59, 2,729.13 and 723.33

Step by Step Solution

1. Step 1: Write the proportion equation
   1,819.59 : 2,729.13 = 723.33 : x
2. Step 2: Convert to fraction form
   1,819.59/2,729.13 = 723.33/x
3. Step 3: Cross multiply
   1,819.59x = 2,729.13 × 723.33
4. Step 4: Simplify right side
   1,819.59x = 1,974,061.60
5. Step 5: Solve for x
   x = 1,974,061.60/1,819.59
6. Step 6: Final answer
   x = 1,084.89