Finding the Fourth Proportional to 5,211.57, 7,189.29 and 3,532.41

Step by Step Solution

1. Step 1: Write the proportion equation
   5,211.57 : 7,189.29 = 3,532.41 : x
2. Step 2: Convert to fraction form
   5,211.57/7,189.29 = 3,532.41/x
3. Step 3: Cross multiply
   5,211.57x = 7,189.29 × 3,532.41
4. Step 4: Simplify right side
   5,211.57x = 25,395,519.89
5. Step 5: Solve for x
   x = 25,395,519.89/5,211.57
6. Step 6: Final answer
   x = 4,872.91