Finding the Fourth Proportional to 1,023.15, 1,411.94 and 603.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,023.15 : 1,411.94 = 603.50 : x
2. Step 2: Convert to fraction form
   1,023.15/1,411.94 = 603.50/x
3. Step 3: Cross multiply
   1,023.15x = 1,411.94 × 603.50
4. Step 4: Simplify right side
   1,023.15x = 852,104.79
5. Step 5: Solve for x
   x = 852,104.79/1,023.15
6. Step 6: Final answer
   x = 832.83