Finding the Fourth Proportional to 2,103.26, 3,154.91 and 1,377.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,103.26 : 3,154.91 = 1,377.45 : x
2. Step 2: Convert to fraction form
   2,103.26/3,154.91 = 1,377.45/x
3. Step 3: Cross multiply
   2,103.26x = 3,154.91 × 1,377.45
4. Step 4: Simplify right side
   2,103.26x = 4,345,723.89
5. Step 5: Solve for x
   x = 4,345,723.89/2,103.26
6. Step 6: Final answer
   x = 2,066.19