Finding the Fourth Proportional to 2,003.73, 3,004.18 and 770.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,003.73 : 3,004.18 = 770.10 : x
2. Step 2: Convert to fraction form
   2,003.73/3,004.18 = 770.10/x
3. Step 3: Cross multiply
   2,003.73x = 3,004.18 × 770.10
4. Step 4: Simplify right side
   2,003.73x = 2,313,519.02
5. Step 5: Solve for x
   x = 2,313,519.02/2,003.73
6. Step 6: Final answer
   x = 1,154.61