Finding the Fourth Proportional to 3,775.25, 5,628.41 and 3,679.34

Step by Step Solution

1. Step 1: Write the proportion equation
   3,775.25 : 5,628.41 = 3,679.34 : x
2. Step 2: Convert to fraction form
   3,775.25/5,628.41 = 3,679.34/x
3. Step 3: Cross multiply
   3,775.25x = 5,628.41 × 3,679.34
4. Step 4: Simplify right side
   3,775.25x = 20,708,787.51
5. Step 5: Solve for x
   x = 20,708,787.51/3,775.25
6. Step 6: Final answer
   x = 5,485.42