Finding the Fourth Proportional to 2,007.39, 2,770.83 and 1,377.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,007.39 : 2,770.83 = 1,377.69 : x
2. Step 2: Convert to fraction form
   2,007.39/2,770.83 = 1,377.69/x
3. Step 3: Cross multiply
   2,007.39x = 2,770.83 × 1,377.69
4. Step 4: Simplify right side
   2,007.39x = 3,817,344.78
5. Step 5: Solve for x
   x = 3,817,344.78/2,007.39
6. Step 6: Final answer
   x = 1,901.65