Finding the Fourth Proportional to 6,211.82, 8,572.27 and 3,523.55

Step by Step Solution

1. Step 1: Write the proportion equation
   6,211.82 : 8,572.27 = 3,523.55 : x
2. Step 2: Convert to fraction form
   6,211.82/8,572.27 = 3,523.55/x
3. Step 3: Cross multiply
   6,211.82x = 8,572.27 × 3,523.55
4. Step 4: Simplify right side
   6,211.82x = 30,204,804.34
5. Step 5: Solve for x
   x = 30,204,804.34/6,211.82
6. Step 6: Final answer
   x = 4,862.47