Finding the Fourth Proportional to 6,211.50, 8,567.53 and 4,086.36

Step by Step Solution

1. Step 1: Write the proportion equation
   6,211.50 : 8,567.53 = 4,086.36 : x
2. Step 2: Convert to fraction form
   6,211.50/8,567.53 = 4,086.36/x
3. Step 3: Cross multiply
   6,211.50x = 8,567.53 × 4,086.36
4. Step 4: Simplify right side
   6,211.50x = 35,010,011.89
5. Step 5: Solve for x
   x = 35,010,011.89/6,211.50
6. Step 6: Final answer
   x = 5,636.32