Finding the Fourth Proportional to 2,330.22, 3,495.69 and 770.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,330.22 : 3,495.69 = 770.39 : x
2. Step 2: Convert to fraction form
   2,330.22/3,495.69 = 770.39/x
3. Step 3: Cross multiply
   2,330.22x = 3,495.69 × 770.39
4. Step 4: Simplify right side
   2,330.22x = 2,693,032.03
5. Step 5: Solve for x
   x = 2,693,032.03/2,330.22
6. Step 6: Final answer
   x = 1,155.70