Finding the Fourth Proportional to 6,627.56, 9,146.25 and 3,643.61

Step by Step Solution

1. Step 1: Write the proportion equation
   6,627.56 : 9,146.25 = 3,643.61 : x
2. Step 2: Convert to fraction form
   6,627.56/9,146.25 = 3,643.61/x
3. Step 3: Cross multiply
   6,627.56x = 9,146.25 × 3,643.61
4. Step 4: Simplify right side
   6,627.56x = 33,325,390.83
5. Step 5: Solve for x
   x = 33,325,390.83/6,627.56
6. Step 6: Final answer
   x = 5,028.30