Finding the Fourth Proportional to 2,003.73, 3,003.46 and 770.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,003.73 : 3,003.46 = 770.60 : x
2. Step 2: Convert to fraction form
   2,003.73/3,003.46 = 770.60/x
3. Step 3: Cross multiply
   2,003.73x = 3,003.46 × 770.60
4. Step 4: Simplify right side
   2,003.73x = 2,314,466.28
5. Step 5: Solve for x
   x = 2,314,466.28/2,003.73
6. Step 6: Final answer
   x = 1,155.08