Finding the Fourth Proportional to 5,409.83, 7,465.61 and 3,173.03

Step by Step Solution

1. Step 1: Write the proportion equation
   5,409.83 : 7,465.61 = 3,173.03 : x
2. Step 2: Convert to fraction form
   5,409.83/7,465.61 = 3,173.03/x
3. Step 3: Cross multiply
   5,409.83x = 7,465.61 × 3,173.03
4. Step 4: Simplify right side
   5,409.83x = 23,688,575.10
5. Step 5: Solve for x
   x = 23,688,575.10/5,409.83
6. Step 6: Final answer
   x = 4,378.81