Finding the Fourth Proportional to 6,147.72, 8,483.88 and 3,353.28

Step by Step Solution

1. Step 1: Write the proportion equation
   6,147.72 : 8,483.88 = 3,353.28 : x
2. Step 2: Convert to fraction form
   6,147.72/8,483.88 = 3,353.28/x
3. Step 3: Cross multiply
   6,147.72x = 8,483.88 × 3,353.28
4. Step 4: Simplify right side
   6,147.72x = 28,448,825.13
5. Step 5: Solve for x
   x = 28,448,825.13/6,147.72
6. Step 6: Final answer
   x = 4,627.54