Finding the Fourth Proportional to 6,145.59, 8,479.86 and 3,456.10

Step by Step Solution

1. Step 1: Write the proportion equation
   6,145.59 : 8,479.86 = 3,456.10 : x
2. Step 2: Convert to fraction form
   6,145.59/8,479.86 = 3,456.10/x
3. Step 3: Cross multiply
   6,145.59x = 8,479.86 × 3,456.10
4. Step 4: Simplify right side
   6,145.59x = 29,307,241.79
5. Step 5: Solve for x
   x = 29,307,241.79/6,145.59
6. Step 6: Final answer
   x = 4,768.83