Finding the Fourth Proportional to 1,003.16, 1,383.99 and 610.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,003.16 : 1,383.99 = 610.04 : x
2. Step 2: Convert to fraction form
   1,003.16/1,383.99 = 610.04/x
3. Step 3: Cross multiply
   1,003.16x = 1,383.99 × 610.04
4. Step 4: Simplify right side
   1,003.16x = 844,282.34
5. Step 5: Solve for x
   x = 844,282.34/1,003.16
6. Step 6: Final answer
   x = 841.63