Finding the Fourth Proportional to 6,145.25, 8,480.30 and 3,627.50

Step by Step Solution

1. Step 1: Write the proportion equation
   6,145.25 : 8,480.30 = 3,627.50 : x
2. Step 2: Convert to fraction form
   6,145.25/8,480.30 = 3,627.50/x
3. Step 3: Cross multiply
   6,145.25x = 8,480.30 × 3,627.50
4. Step 4: Simplify right side
   6,145.25x = 30,762,227.71
5. Step 5: Solve for x
   x = 30,762,227.71/6,145.25
6. Step 6: Final answer
   x = 5,005.86