Finding the Fourth Proportional to 1,499.54, 2,249.76 and 806.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,499.54 : 2,249.76 = 806.12 : x
2. Step 2: Convert to fraction form
   1,499.54/2,249.76 = 806.12/x
3. Step 3: Cross multiply
   1,499.54x = 2,249.76 × 806.12
4. Step 4: Simplify right side
   1,499.54x = 1,813,576.53
5. Step 5: Solve for x
   x = 1,813,576.53/1,499.54
6. Step 6: Final answer
   x = 1,209.42