Finding the Fourth Proportional to 10,408.52, 15,608.86 and 3,386.69

Step by Step Solution

1. Step 1: Write the proportion equation
   10,408.52 : 15,608.86 = 3,386.69 : x
2. Step 2: Convert to fraction form
   10,408.52/15,608.86 = 3,386.69/x
3. Step 3: Cross multiply
   10,408.52x = 15,608.86 × 3,386.69
4. Step 4: Simplify right side
   10,408.52x = 52,862,370.07
5. Step 5: Solve for x
   x = 52,862,370.07/10,408.52
6. Step 6: Final answer
   x = 5,078.76