Finding the Fourth Proportional to 1,155.36, 1,594.17 and 800.73

Step by Step Solution

1. Step 1: Write the proportion equation
   1,155.36 : 1,594.17 = 800.73 : x
2. Step 2: Convert to fraction form
   1,155.36/1,594.17 = 800.73/x
3. Step 3: Cross multiply
   1,155.36x = 1,594.17 × 800.73
4. Step 4: Simplify right side
   1,155.36x = 1,276,499.74
5. Step 5: Solve for x
   x = 1,276,499.74/1,155.36
6. Step 6: Final answer
   x = 1,104.85