Finding the Fourth Proportional to 5,443.50, 8,161.52 and 2,156.97

Step by Step Solution

1. Step 1: Write the proportion equation
   5,443.50 : 8,161.52 = 2,156.97 : x
2. Step 2: Convert to fraction form
   5,443.50/8,161.52 = 2,156.97/x
3. Step 3: Cross multiply
   5,443.50x = 8,161.52 × 2,156.97
4. Step 4: Simplify right side
   5,443.50x = 17,604,143.01
5. Step 5: Solve for x
   x = 17,604,143.01/5,443.50
6. Step 6: Final answer
   x = 3,233.98