Finding the Fourth Proportional to 2,763.67, 4,145.96 and 1,377.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,763.67 : 4,145.96 = 1,377.05 : x
2. Step 2: Convert to fraction form
   2,763.67/4,145.96 = 1,377.05/x
3. Step 3: Cross multiply
   2,763.67x = 4,145.96 × 1,377.05
4. Step 4: Simplify right side
   2,763.67x = 5,709,196.38
5. Step 5: Solve for x
   x = 5,709,196.38/2,763.67
6. Step 6: Final answer
   x = 2,065.80