Finding the Fourth Proportional to 6,287.16, 8,677.35 and 3,636.18

Step by Step Solution

1. Step 1: Write the proportion equation
   6,287.16 : 8,677.35 = 3,636.18 : x
2. Step 2: Convert to fraction form
   6,287.16/8,677.35 = 3,636.18/x
3. Step 3: Cross multiply
   6,287.16x = 8,677.35 × 3,636.18
4. Step 4: Simplify right side
   6,287.16x = 31,552,406.52
5. Step 5: Solve for x
   x = 31,552,406.52/6,287.16
6. Step 6: Final answer
   x = 5,018.55