Finding the Fourth Proportional to 6,145.73, 8,480.86 and 3,627.91

Step by Step Solution

1. Step 1: Write the proportion equation
   6,145.73 : 8,480.86 = 3,627.91 : x
2. Step 2: Convert to fraction form
   6,145.73/8,480.86 = 3,627.91/x
3. Step 3: Cross multiply
   6,145.73x = 8,480.86 × 3,627.91
4. Step 4: Simplify right side
   6,145.73x = 30,767,796.80
5. Step 5: Solve for x
   x = 30,767,796.80/6,145.73
6. Step 6: Final answer
   x = 5,006.37