Finding the Fourth Proportional to 9,550.81, 13,179.40 and 5,358.25

Step by Step Solution

1. Step 1: Write the proportion equation
   9,550.81 : 13,179.40 = 5,358.25 : x
2. Step 2: Convert to fraction form
   9,550.81/13,179.40 = 5,358.25/x
3. Step 3: Cross multiply
   9,550.81x = 13,179.40 × 5,358.25
4. Step 4: Simplify right side
   9,550.81x = 70,618,520.05
5. Step 5: Solve for x
   x = 70,618,520.05/9,550.81
6. Step 6: Final answer
   x = 7,393.98