Finding the Fourth Proportional to 1,076.41, 1,485.30 and 604.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,076.41 : 1,485.30 = 604.25 : x
2. Step 2: Convert to fraction form
   1,076.41/1,485.30 = 604.25/x
3. Step 3: Cross multiply
   1,076.41x = 1,485.30 × 604.25
4. Step 4: Simplify right side
   1,076.41x = 897,492.53
5. Step 5: Solve for x
   x = 897,492.53/1,076.41
6. Step 6: Final answer
   x = 833.78