Finding the Fourth Proportional to 2,330.37, 3,494.72 and 770.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,330.37 : 3,494.72 = 770.09 : x
2. Step 2: Convert to fraction form
   2,330.37/3,494.72 = 770.09/x
3. Step 3: Cross multiply
   2,330.37x = 3,494.72 × 770.09
4. Step 4: Simplify right side
   2,330.37x = 2,691,233.38
5. Step 5: Solve for x
   x = 2,691,233.38/2,330.37
6. Step 6: Final answer
   x = 1,154.85