Finding the Fourth Proportional to 8,483.23, 12,729.80 and 3,552.45

Step by Step Solution

1. Step 1: Write the proportion equation
   8,483.23 : 12,729.80 = 3,552.45 : x
2. Step 2: Convert to fraction form
   8,483.23/12,729.80 = 3,552.45/x
3. Step 3: Cross multiply
   8,483.23x = 12,729.80 × 3,552.45
4. Step 4: Simplify right side
   8,483.23x = 45,221,978.01
5. Step 5: Solve for x
   x = 45,221,978.01/8,483.23
6. Step 6: Final answer
   x = 5,330.75