Finding the Fourth Proportional to 6,144.89, 8,480.15 and 3,456.58

Step by Step Solution

1. Step 1: Write the proportion equation
   6,144.89 : 8,480.15 = 3,456.58 : x
2. Step 2: Convert to fraction form
   6,144.89/8,480.15 = 3,456.58/x
3. Step 3: Cross multiply
   6,144.89x = 8,480.15 × 3,456.58
4. Step 4: Simplify right side
   6,144.89x = 29,312,316.89
5. Step 5: Solve for x
   x = 29,312,316.89/6,144.89
6. Step 6: Final answer
   x = 4,770.19