Finding the Fourth Proportional to 3,546.61, 5,346.67 and 3,308.83

Step by Step Solution

1. Step 1: Write the proportion equation
   3,546.61 : 5,346.67 = 3,308.83 : x
2. Step 2: Convert to fraction form
   3,546.61/5,346.67 = 3,308.83/x
3. Step 3: Cross multiply
   3,546.61x = 5,346.67 × 3,308.83
4. Step 4: Simplify right side
   3,546.61x = 17,691,222.10
5. Step 5: Solve for x
   x = 17,691,222.10/3,546.61
6. Step 6: Final answer
   x = 4,988.21