Finding the Fourth Proportional to 5,445.53, 8,158.73 and 3,883.21

Step by Step Solution

1. Step 1: Write the proportion equation
   5,445.53 : 8,158.73 = 3,883.21 : x
2. Step 2: Convert to fraction form
   5,445.53/8,158.73 = 3,883.21/x
3. Step 3: Cross multiply
   5,445.53x = 8,158.73 × 3,883.21
4. Step 4: Simplify right side
   5,445.53x = 31,682,022.11
5. Step 5: Solve for x
   x = 31,682,022.11/5,445.53
6. Step 6: Final answer
   x = 5,817.99