Finding the Fourth Proportional to 6,648.32, 9,174.74 and 3,664.25

Step by Step Solution

1. Step 1: Write the proportion equation
   6,648.32 : 9,174.74 = 3,664.25 : x
2. Step 2: Convert to fraction form
   6,648.32/9,174.74 = 3,664.25/x
3. Step 3: Cross multiply
   6,648.32x = 9,174.74 × 3,664.25
4. Step 4: Simplify right side
   6,648.32x = 33,618,562.86
5. Step 5: Solve for x
   x = 33,618,562.86/6,648.32
6. Step 6: Final answer
   x = 5,056.70