Finding the Fourth Proportional to 6,906.41, 10,362.71 and 3,618.75

Step by Step Solution

1. Step 1: Write the proportion equation
   6,906.41 : 10,362.71 = 3,618.75 : x
2. Step 2: Convert to fraction form
   6,906.41/10,362.71 = 3,618.75/x
3. Step 3: Cross multiply
   6,906.41x = 10,362.71 × 3,618.75
4. Step 4: Simplify right side
   6,906.41x = 37,500,065.40
5. Step 5: Solve for x
   x = 37,500,065.40/6,906.41
6. Step 6: Final answer
   x = 5,429.74