Finding the Fourth Proportional to 2,249.89, 3,373.62 and 768.67

Step by Step Solution

1. Step 1: Write the proportion equation
   2,249.89 : 3,373.62 = 768.67 : x
2. Step 2: Convert to fraction form
   2,249.89/3,373.62 = 768.67/x
3. Step 3: Cross multiply
   2,249.89x = 3,373.62 × 768.67
4. Step 4: Simplify right side
   2,249.89x = 2,593,200.49
5. Step 5: Solve for x
   x = 2,593,200.49/2,249.89
6. Step 6: Final answer
   x = 1,152.59