Finding the Fourth Proportional to 1,433.58, 1,978.32 and 804.26

Step by Step Solution

1. Step 1: Write the proportion equation
   1,433.58 : 1,978.32 = 804.26 : x
2. Step 2: Convert to fraction form
   1,433.58/1,978.32 = 804.26/x
3. Step 3: Cross multiply
   1,433.58x = 1,978.32 × 804.26
4. Step 4: Simplify right side
   1,433.58x = 1,591,084.57
5. Step 5: Solve for x
   x = 1,591,084.57/1,433.58
6. Step 6: Final answer
   x = 1,109.87