Finding the Fourth Proportional to 9,147.48, 12,622.28 and 5,609.94

Step by Step Solution

1. Step 1: Write the proportion equation
   9,147.48 : 12,622.28 = 5,609.94 : x
2. Step 2: Convert to fraction form
   9,147.48/12,622.28 = 5,609.94/x
3. Step 3: Cross multiply
   9,147.48x = 12,622.28 × 5,609.94
4. Step 4: Simplify right side
   9,147.48x = 70,810,205.41
5. Step 5: Solve for x
   x = 70,810,205.41/9,147.48
6. Step 6: Final answer
   x = 7,740.95