Finding the Fourth Proportional to 9,729.18, 14,584.38 and 3,150.90

Step by Step Solution

1. Step 1: Write the proportion equation
   9,729.18 : 14,584.38 = 3,150.90 : x
2. Step 2: Convert to fraction form
   9,729.18/14,584.38 = 3,150.90/x
3. Step 3: Cross multiply
   9,729.18x = 14,584.38 × 3,150.90
4. Step 4: Simplify right side
   9,729.18x = 45,953,922.94
5. Step 5: Solve for x
   x = 45,953,922.94/9,729.18
6. Step 6: Final answer
   x = 4,723.31