Finding the Fourth Proportional to 6,339.93, 9,513.98 and 3,420.25

Step by Step Solution

1. Step 1: Write the proportion equation
   6,339.93 : 9,513.98 = 3,420.25 : x
2. Step 2: Convert to fraction form
   6,339.93/9,513.98 = 3,420.25/x
3. Step 3: Cross multiply
   6,339.93x = 9,513.98 × 3,420.25
4. Step 4: Simplify right side
   6,339.93x = 32,540,227.91
5. Step 5: Solve for x
   x = 32,540,227.91/6,339.93
6. Step 6: Final answer
   x = 5,132.58