Finding the Fourth Proportional to 5,629.05, 8,453.31 and 3,450.57

Step by Step Solution

1. Step 1: Write the proportion equation
   5,629.05 : 8,453.31 = 3,450.57 : x
2. Step 2: Convert to fraction form
   5,629.05/8,453.31 = 3,450.57/x
3. Step 3: Cross multiply
   5,629.05x = 8,453.31 × 3,450.57
4. Step 4: Simplify right side
   5,629.05x = 29,168,737.89
5. Step 5: Solve for x
   x = 29,168,737.89/5,629.05
6. Step 6: Final answer
   x = 5,181.82