Finding the Fourth Proportional to 6,648.50, 9,179.33 and 5,133.30

Step by Step Solution

1. Step 1: Write the proportion equation
   6,648.50 : 9,179.33 = 5,133.30 : x
2. Step 2: Convert to fraction form
   6,648.50/9,179.33 = 5,133.30/x
3. Step 3: Cross multiply
   6,648.50x = 9,179.33 × 5,133.30
4. Step 4: Simplify right side
   6,648.50x = 47,120,229.02
5. Step 5: Solve for x
   x = 47,120,229.02/6,648.50
6. Step 6: Final answer
   x = 7,087.35