Finding the Fourth Proportional to 10,452.69, 15,680.48 and 3,878.33

Step by Step Solution

1. Step 1: Write the proportion equation
   10,452.69 : 15,680.48 = 3,878.33 : x
2. Step 2: Convert to fraction form
   10,452.69/15,680.48 = 3,878.33/x
3. Step 3: Cross multiply
   10,452.69x = 15,680.48 × 3,878.33
4. Step 4: Simplify right side
   10,452.69x = 60,813,978.20
5. Step 5: Solve for x
   x = 60,813,978.20/10,452.69
6. Step 6: Final answer
   x = 5,818.02