Finding the Fourth Proportional to 5,443.29, 8,158.05 and 2,669.31

Step by Step Solution

1. Step 1: Write the proportion equation
   5,443.29 : 8,158.05 = 2,669.31 : x
2. Step 2: Convert to fraction form
   5,443.29/8,158.05 = 2,669.31/x
3. Step 3: Cross multiply
   5,443.29x = 8,158.05 × 2,669.31
4. Step 4: Simplify right side
   5,443.29x = 21,776,364.45
5. Step 5: Solve for x
   x = 21,776,364.45/5,443.29
6. Step 6: Final answer
   x = 4,000.59