Finding the Fourth Proportional to 6,945.59, 9,584.30 and 3,920.54

Step by Step Solution

1. Step 1: Write the proportion equation
   6,945.59 : 9,584.30 = 3,920.54 : x
2. Step 2: Convert to fraction form
   6,945.59/9,584.30 = 3,920.54/x
3. Step 3: Cross multiply
   6,945.59x = 9,584.30 × 3,920.54
4. Step 4: Simplify right side
   6,945.59x = 37,575,629.34
5. Step 5: Solve for x
   x = 37,575,629.34/6,945.59
6. Step 6: Final answer
   x = 5,410.00