Finding the Fourth Proportional to 6,323.13, 8,724.15 and 4,085.10

Step by Step Solution

1. Step 1: Write the proportion equation
   6,323.13 : 8,724.15 = 4,085.10 : x
2. Step 2: Convert to fraction form
   6,323.13/8,724.15 = 4,085.10/x
3. Step 3: Cross multiply
   6,323.13x = 8,724.15 × 4,085.10
4. Step 4: Simplify right side
   6,323.13x = 35,639,025.17
5. Step 5: Solve for x
   x = 35,639,025.17/6,323.13
6. Step 6: Final answer
   x = 5,636.29