Finding the Fourth Proportional to 6,648.56, 9,174.27 and 3,815.18

Step by Step Solution

1. Step 1: Write the proportion equation
   6,648.56 : 9,174.27 = 3,815.18 : x
2. Step 2: Convert to fraction form
   6,648.56/9,174.27 = 3,815.18/x
3. Step 3: Cross multiply
   6,648.56x = 9,174.27 × 3,815.18
4. Step 4: Simplify right side
   6,648.56x = 35,001,491.42
5. Step 5: Solve for x
   x = 35,001,491.42/6,648.56
6. Step 6: Final answer
   x = 5,264.52