Finding the Fourth Proportional to 1,454.76, 2,180.72 and 804.13

Step by Step Solution

1. Step 1: Write the proportion equation
   1,454.76 : 2,180.72 = 804.13 : x
2. Step 2: Convert to fraction form
   1,454.76/2,180.72 = 804.13/x
3. Step 3: Cross multiply
   1,454.76x = 2,180.72 × 804.13
4. Step 4: Simplify right side
   1,454.76x = 1,753,578.93
5. Step 5: Solve for x
   x = 1,753,578.93/1,454.76
6. Step 6: Final answer
   x = 1,205.41