Finding the Fourth Proportional to 6,650.91, 9,179.69 and 3,818.75

Step by Step Solution

1. Step 1: Write the proportion equation
   6,650.91 : 9,179.69 = 3,818.75 : x
2. Step 2: Convert to fraction form
   6,650.91/9,179.69 = 3,818.75/x
3. Step 3: Cross multiply
   6,650.91x = 9,179.69 × 3,818.75
4. Step 4: Simplify right side
   6,650.91x = 35,054,876.20
5. Step 5: Solve for x
   x = 35,054,876.20/6,650.91
6. Step 6: Final answer
   x = 5,270.69