Finding the Fourth Proportional to 1,046.76, 1,570.20 and 804.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,046.76 : 1,570.20 = 804.72 : x
2. Step 2: Convert to fraction form
   1,046.76/1,570.20 = 804.72/x
3. Step 3: Cross multiply
   1,046.76x = 1,570.20 × 804.72
4. Step 4: Simplify right side
   1,046.76x = 1,263,571.34
5. Step 5: Solve for x
   x = 1,263,571.34/1,046.76
6. Step 6: Final answer
   x = 1,207.13