Finding the Fourth Proportional to 6,222.54, 8,586.78 and 3,570.84

Step by Step Solution

1. Step 1: Write the proportion equation
   6,222.54 : 8,586.78 = 3,570.84 : x
2. Step 2: Convert to fraction form
   6,222.54/8,586.78 = 3,570.84/x
3. Step 3: Cross multiply
   6,222.54x = 8,586.78 × 3,570.84
4. Step 4: Simplify right side
   6,222.54x = 30,662,017.50
5. Step 5: Solve for x
   x = 30,662,017.50/6,222.54
6. Step 6: Final answer
   x = 4,927.57