Finding the Fourth Proportional to 8,561.33, 12,850.73 and 4,612.43

Step by Step Solution

1. Step 1: Write the proportion equation
   8,561.33 : 12,850.73 = 4,612.43 : x
2. Step 2: Convert to fraction form
   8,561.33/12,850.73 = 4,612.43/x
3. Step 3: Cross multiply
   8,561.33x = 12,850.73 × 4,612.43
4. Step 4: Simplify right side
   8,561.33x = 59,273,022.55
5. Step 5: Solve for x
   x = 59,273,022.55/8,561.33
6. Step 6: Final answer
   x = 6,923.34