Finding the Fourth Proportional to 3,921.62, 5,878.72 and 1,454.77

Step by Step Solution

1. Step 1: Write the proportion equation
   3,921.62 : 5,878.72 = 1,454.77 : x
2. Step 2: Convert to fraction form
   3,921.62/5,878.72 = 1,454.77/x
3. Step 3: Cross multiply
   3,921.62x = 5,878.72 × 1,454.77
4. Step 4: Simplify right side
   3,921.62x = 8,552,148.83
5. Step 5: Solve for x
   x = 8,552,148.83/3,921.62
6. Step 6: Final answer
   x = 2,180.77