Finding the Fourth Proportional to 6,627.88, 9,146.69 and 3,643.84

Step by Step Solution

1. Step 1: Write the proportion equation
   6,627.88 : 9,146.69 = 3,643.84 : x
2. Step 2: Convert to fraction form
   6,627.88/9,146.69 = 3,643.84/x
3. Step 3: Cross multiply
   6,627.88x = 9,146.69 × 3,643.84
4. Step 4: Simplify right side
   6,627.88x = 33,329,074.89
5. Step 5: Solve for x
   x = 33,329,074.89/6,627.88
6. Step 6: Final answer
   x = 5,028.62