Finding the Fourth Proportional to 1,023.46, 1,414.17 and 804.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,023.46 : 1,414.17 = 804.15 : x
2. Step 2: Convert to fraction form
   1,023.46/1,414.17 = 804.15/x
3. Step 3: Cross multiply
   1,023.46x = 1,414.17 × 804.15
4. Step 4: Simplify right side
   1,023.46x = 1,137,204.81
5. Step 5: Solve for x
   x = 1,137,204.81/1,023.46
6. Step 6: Final answer
   x = 1,111.14