Finding the Fourth Proportional to 1,076.97, 1,485.86 and 604.79

Step by Step Solution

1. Step 1: Write the proportion equation
   1,076.97 : 1,485.86 = 604.79 : x
2. Step 2: Convert to fraction form
   1,076.97/1,485.86 = 604.79/x
3. Step 3: Cross multiply
   1,076.97x = 1,485.86 × 604.79
4. Step 4: Simplify right side
   1,076.97x = 898,633.27
5. Step 5: Solve for x
   x = 898,633.27/1,076.97
6. Step 6: Final answer
   x = 834.41