Finding the Fourth Proportional to 2,330.49, 3,495.98 and 770.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,330.49 : 3,495.98 = 770.50 : x
2. Step 2: Convert to fraction form
   2,330.49/3,495.98 = 770.50/x
3. Step 3: Cross multiply
   2,330.49x = 3,495.98 × 770.50
4. Step 4: Simplify right side
   2,330.49x = 2,693,652.59
5. Step 5: Solve for x
   x = 2,693,652.59/2,330.49
6. Step 6: Final answer
   x = 1,155.83