Finding the Fourth Proportional to 1,815.33, 2,504.72 and 1,151.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,815.33 : 2,504.72 = 1,151.94 : x
2. Step 2: Convert to fraction form
   1,815.33/2,504.72 = 1,151.94/x
3. Step 3: Cross multiply
   1,815.33x = 2,504.72 × 1,151.94
4. Step 4: Simplify right side
   1,815.33x = 2,885,287.16
5. Step 5: Solve for x
   x = 2,885,287.16/1,815.33
6. Step 6: Final answer
   x = 1,589.40