Finding the Fourth Proportional to 3,595.89, 5,390.17 and 2,728.38

Step by Step Solution

1. Step 1: Write the proportion equation
   3,595.89 : 5,390.17 = 2,728.38 : x
2. Step 2: Convert to fraction form
   3,595.89/5,390.17 = 2,728.38/x
3. Step 3: Cross multiply
   3,595.89x = 5,390.17 × 2,728.38
4. Step 4: Simplify right side
   3,595.89x = 14,706,432.02
5. Step 5: Solve for x
   x = 14,706,432.02/3,595.89
6. Step 6: Final answer
   x = 4,089.79