Finding the Fourth Proportional to 3,517.62, 5,273.33 and 1,327.89

Step by Step Solution

1. Step 1: Write the proportion equation
   3,517.62 : 5,273.33 = 1,327.89 : x
2. Step 2: Convert to fraction form
   3,517.62/5,273.33 = 1,327.89/x
3. Step 3: Cross multiply
   3,517.62x = 5,273.33 × 1,327.89
4. Step 4: Simplify right side
   3,517.62x = 7,002,375.76
5. Step 5: Solve for x
   x = 7,002,375.76/3,517.62
6. Step 6: Final answer
   x = 1,990.66