Finding the Fourth Proportional to 6,906.56, 10,370.22 and 4,145.59

Step by Step Solution

1. Step 1: Write the proportion equation
   6,906.56 : 10,370.22 = 4,145.59 : x
2. Step 2: Convert to fraction form
   6,906.56/10,370.22 = 4,145.59/x
3. Step 3: Cross multiply
   6,906.56x = 10,370.22 × 4,145.59
4. Step 4: Simplify right side
   6,906.56x = 42,990,642.73
5. Step 5: Solve for x
   x = 42,990,642.73/6,906.56
6. Step 6: Final answer
   x = 6,224.61