Finding the Fourth Proportional to 2,770.39, 4,153.56 and 1,383.67

Step by Step Solution

1. Step 1: Write the proportion equation
   2,770.39 : 4,153.56 = 1,383.67 : x
2. Step 2: Convert to fraction form
   2,770.39/4,153.56 = 1,383.67/x
3. Step 3: Cross multiply
   2,770.39x = 4,153.56 × 1,383.67
4. Step 4: Simplify right side
   2,770.39x = 5,747,156.37
5. Step 5: Solve for x
   x = 5,747,156.37/2,770.39
6. Step 6: Final answer
   x = 2,074.49