Finding the Fourth Proportional to 1,076.83, 1,486.15 and 604.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,076.83 : 1,486.15 = 604.86 : x
2. Step 2: Convert to fraction form
   1,076.83/1,486.15 = 604.86/x
3. Step 3: Cross multiply
   1,076.83x = 1,486.15 × 604.86
4. Step 4: Simplify right side
   1,076.83x = 898,912.69
5. Step 5: Solve for x
   x = 898,912.69/1,076.83
6. Step 6: Final answer
   x = 834.78