Finding the Fourth Proportional to 1,023.15, 1,411.89 and 603.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,023.15 : 1,411.89 = 603.52 : x
2. Step 2: Convert to fraction form
   1,023.15/1,411.89 = 603.52/x
3. Step 3: Cross multiply
   1,023.15x = 1,411.89 × 603.52
4. Step 4: Simplify right side
   1,023.15x = 852,105.87
5. Step 5: Solve for x
   x = 852,105.87/1,023.15
6. Step 6: Final answer
   x = 832.82