Finding the Fourth Proportional to 6,212.57, 8,573.55 and 3,560.81

Step by Step Solution

1. Step 1: Write the proportion equation
   6,212.57 : 8,573.55 = 3,560.81 : x
2. Step 2: Convert to fraction form
   6,212.57/8,573.55 = 3,560.81/x
3. Step 3: Cross multiply
   6,212.57x = 8,573.55 × 3,560.81
4. Step 4: Simplify right side
   6,212.57x = 30,528,790.66
5. Step 5: Solve for x
   x = 30,528,790.66/6,212.57
6. Step 6: Final answer
   x = 4,914.03