Finding the Fourth Proportional to 5,443.50, 8,168.32 and 2,323.20

Step by Step Solution

1. Step 1: Write the proportion equation
   5,443.50 : 8,168.32 = 2,323.20 : x
2. Step 2: Convert to fraction form
   5,443.50/8,168.32 = 2,323.20/x
3. Step 3: Cross multiply
   5,443.50x = 8,168.32 × 2,323.20
4. Step 4: Simplify right side
   5,443.50x = 18,976,641.02
5. Step 5: Solve for x
   x = 18,976,641.02/5,443.50
6. Step 6: Final answer
   x = 3,486.11