Finding the Fourth Proportional to 6,294.36, 8,685.86 and 3,499.80

Step by Step Solution

1. Step 1: Write the proportion equation
   6,294.36 : 8,685.86 = 3,499.80 : x
2. Step 2: Convert to fraction form
   6,294.36/8,685.86 = 3,499.80/x
3. Step 3: Cross multiply
   6,294.36x = 8,685.86 × 3,499.80
4. Step 4: Simplify right side
   6,294.36x = 30,398,772.83
5. Step 5: Solve for x
   x = 30,398,772.83/6,294.36
6. Step 6: Final answer
   x = 4,829.53