Finding the Fourth Proportional to 1,293.28, 1,941.72 and 804.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,293.28 : 1,941.72 = 804.76 : x
2. Step 2: Convert to fraction form
   1,293.28/1,941.72 = 804.76/x
3. Step 3: Cross multiply
   1,293.28x = 1,941.72 × 804.76
4. Step 4: Simplify right side
   1,293.28x = 1,562,618.59
5. Step 5: Solve for x
   x = 1,562,618.59/1,293.28
6. Step 6: Final answer
   x = 1,208.26