Finding the Fourth Proportional to 9,358.67, 12,914.41 and 5,108.89

Step by Step Solution

1. Step 1: Write the proportion equation
   9,358.67 : 12,914.41 = 5,108.89 : x
2. Step 2: Convert to fraction form
   9,358.67/12,914.41 = 5,108.89/x
3. Step 3: Cross multiply
   9,358.67x = 12,914.41 × 5,108.89
4. Step 4: Simplify right side
   9,358.67x = 65,978,235.53
5. Step 5: Solve for x
   x = 65,978,235.53/9,358.67
6. Step 6: Final answer
   x = 7,049.96