Finding the Fourth Proportional to 1,003.09, 1,384.17 and 604.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,003.09 : 1,384.17 = 604.69 : x
2. Step 2: Convert to fraction form
   1,003.09/1,384.17 = 604.69/x
3. Step 3: Cross multiply
   1,003.09x = 1,384.17 × 604.69
4. Step 4: Simplify right side
   1,003.09x = 836,993.76
5. Step 5: Solve for x
   x = 836,993.76/1,003.09
6. Step 6: Final answer
   x = 834.42