Finding the Fourth Proportional to 6,223.75, 8,588.78 and 3,571.05

Step by Step Solution

1. Step 1: Write the proportion equation
   6,223.75 : 8,588.78 = 3,571.05 : x
2. Step 2: Convert to fraction form
   6,223.75/8,588.78 = 3,571.05/x
3. Step 3: Cross multiply
   6,223.75x = 8,588.78 × 3,571.05
4. Step 4: Simplify right side
   6,223.75x = 30,670,962.82
5. Step 5: Solve for x
   x = 30,670,962.82/6,223.75
6. Step 6: Final answer
   x = 4,928.05