Finding the Fourth Proportional to 1,499.10, 2,249.29 and 804.95

Step by Step Solution

1. Step 1: Write the proportion equation
   1,499.10 : 2,249.29 = 804.95 : x
2. Step 2: Convert to fraction form
   1,499.10/2,249.29 = 804.95/x
3. Step 3: Cross multiply
   1,499.10x = 2,249.29 × 804.95
4. Step 4: Simplify right side
   1,499.10x = 1,810,572.61
5. Step 5: Solve for x
   x = 1,810,572.61/1,499.10
6. Step 6: Final answer
   x = 1,207.78