Finding the Fourth Proportional to 6,205.38, 8,570.73 and 4,105.86

Step by Step Solution

1. Step 1: Write the proportion equation
   6,205.38 : 8,570.73 = 4,105.86 : x
2. Step 2: Convert to fraction form
   6,205.38/8,570.73 = 4,105.86/x
3. Step 3: Cross multiply
   6,205.38x = 8,570.73 × 4,105.86
4. Step 4: Simplify right side
   6,205.38x = 35,190,217.48
5. Step 5: Solve for x
   x = 35,190,217.48/6,205.38
6. Step 6: Final answer
   x = 5,670.92