Finding the Fourth Proportional to 6,339.10, 8,746.59 and 3,685.15

Step by Step Solution

1. Step 1: Write the proportion equation
   6,339.10 : 8,746.59 = 3,685.15 : x
2. Step 2: Convert to fraction form
   6,339.10/8,746.59 = 3,685.15/x
3. Step 3: Cross multiply
   6,339.10x = 8,746.59 × 3,685.15
4. Step 4: Simplify right side
   6,339.10x = 32,232,496.14
5. Step 5: Solve for x
   x = 32,232,496.14/6,339.10
6. Step 6: Final answer
   x = 5,084.71