Finding the Fourth Proportional to 10,329.80, 15,495.72 and 3,308.05

Step by Step Solution

1. Step 1: Write the proportion equation
   10,329.80 : 15,495.72 = 3,308.05 : x
2. Step 2: Convert to fraction form
   10,329.80/15,495.72 = 3,308.05/x
3. Step 3: Cross multiply
   10,329.80x = 15,495.72 × 3,308.05
4. Step 4: Simplify right side
   10,329.80x = 51,260,530.80
5. Step 5: Solve for x
   x = 51,260,530.80/10,329.80
6. Step 6: Final answer
   x = 4,962.40