Finding the Fourth Proportional to 4,729.89, 7,099.22 and 2,391.55

Step by Step Solution

1. Step 1: Write the proportion equation
   4,729.89 : 7,099.22 = 2,391.55 : x
2. Step 2: Convert to fraction form
   4,729.89/7,099.22 = 2,391.55/x
3. Step 3: Cross multiply
   4,729.89x = 7,099.22 × 2,391.55
4. Step 4: Simplify right side
   4,729.89x = 16,978,109.89
5. Step 5: Solve for x
   x = 16,978,109.89/4,729.89
6. Step 6: Final answer
   x = 3,589.54