Finding the Fourth Proportional to 5,458.37, 8,173.49 and 3,790.06

Step by Step Solution

1. Step 1: Write the proportion equation
   5,458.37 : 8,173.49 = 3,790.06 : x
2. Step 2: Convert to fraction form
   5,458.37/8,173.49 = 3,790.06/x
3. Step 3: Cross multiply
   5,458.37x = 8,173.49 × 3,790.06
4. Step 4: Simplify right side
   5,458.37x = 30,977,978.13
5. Step 5: Solve for x
   x = 30,977,978.13/5,458.37
6. Step 6: Final answer
   x = 5,675.32