Finding the Fourth Proportional to 4,300.89, 6,447.23 and 1,377.19

Step by Step Solution

1. Step 1: Write the proportion equation
   4,300.89 : 6,447.23 = 1,377.19 : x
2. Step 2: Convert to fraction form
   4,300.89/6,447.23 = 1,377.19/x
3. Step 3: Cross multiply
   4,300.89x = 6,447.23 × 1,377.19
4. Step 4: Simplify right side
   4,300.89x = 8,879,067.02
5. Step 5: Solve for x
   x = 8,879,067.02/4,300.89
6. Step 6: Final answer
   x = 2,064.47