Finding the Fourth Proportional to 1,023.65, 1,412.89 and 604.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,023.65 : 1,412.89 = 604.18 : x
2. Step 2: Convert to fraction form
   1,023.65/1,412.89 = 604.18/x
3. Step 3: Cross multiply
   1,023.65x = 1,412.89 × 604.18
4. Step 4: Simplify right side
   1,023.65x = 853,635.59
5. Step 5: Solve for x
   x = 853,635.59/1,023.65
6. Step 6: Final answer
   x = 833.91