Finding the Fourth Proportional to 5,444.28, 8,160.84 and 3,689.46

Step by Step Solution

1. Step 1: Write the proportion equation
   5,444.28 : 8,160.84 = 3,689.46 : x
2. Step 2: Convert to fraction form
   5,444.28/8,160.84 = 3,689.46/x
3. Step 3: Cross multiply
   5,444.28x = 8,160.84 × 3,689.46
4. Step 4: Simplify right side
   5,444.28x = 30,109,092.75
5. Step 5: Solve for x
   x = 30,109,092.75/5,444.28
6. Step 6: Final answer
   x = 5,530.41