Finding the Fourth Proportional to 6,274.89, 8,659.35 and 3,480.39

Step by Step Solution

1. Step 1: Write the proportion equation
   6,274.89 : 8,659.35 = 3,480.39 : x
2. Step 2: Convert to fraction form
   6,274.89/8,659.35 = 3,480.39/x
3. Step 3: Cross multiply
   6,274.89x = 8,659.35 × 3,480.39
4. Step 4: Simplify right side
   6,274.89x = 30,137,915.15
5. Step 5: Solve for x
   x = 30,137,915.15/6,274.89
6. Step 6: Final answer
   x = 4,802.94