Finding the Fourth Proportional to 6,212.48, 8,573.22 and 3,561.42

Step by Step Solution

1. Step 1: Write the proportion equation
   6,212.48 : 8,573.22 = 3,561.42 : x
2. Step 2: Convert to fraction form
   6,212.48/8,573.22 = 3,561.42/x
3. Step 3: Cross multiply
   6,212.48x = 8,573.22 × 3,561.42
4. Step 4: Simplify right side
   6,212.48x = 30,532,840.80
5. Step 5: Solve for x
   x = 30,532,840.80/6,212.48
6. Step 6: Final answer
   x = 4,914.76