Finding the Fourth Proportional to 10,308.98, 15,465.30 and 3,290.53

Step by Step Solution

1. Step 1: Write the proportion equation
   10,308.98 : 15,465.30 = 3,290.53 : x
2. Step 2: Convert to fraction form
   10,308.98/15,465.30 = 3,290.53/x
3. Step 3: Cross multiply
   10,308.98x = 15,465.30 × 3,290.53
4. Step 4: Simplify right side
   10,308.98x = 50,889,033.61
5. Step 5: Solve for x
   x = 50,889,033.61/10,308.98
6. Step 6: Final answer
   x = 4,936.38