Finding the Fourth Proportional to 1,433.66, 1,978.33 and 804.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,433.66 : 1,978.33 = 804.06 : x
2. Step 2: Convert to fraction form
   1,433.66/1,978.33 = 804.06/x
3. Step 3: Cross multiply
   1,433.66x = 1,978.33 × 804.06
4. Step 4: Simplify right side
   1,433.66x = 1,590,686.13
5. Step 5: Solve for x
   x = 1,590,686.13/1,433.66
6. Step 6: Final answer
   x = 1,109.53