Finding the Fourth Proportional to 1,190.79, 1,783.42 and 604.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,190.79 : 1,783.42 = 604.82 : x
2. Step 2: Convert to fraction form
   1,190.79/1,783.42 = 604.82/x
3. Step 3: Cross multiply
   1,190.79x = 1,783.42 × 604.82
4. Step 4: Simplify right side
   1,190.79x = 1,078,651.03
5. Step 5: Solve for x
   x = 1,078,651.03/1,190.79
6. Step 6: Final answer
   x = 905.83