Finding the Fourth Proportional to 9,146.27, 12,622.48 and 5,562.63

Step by Step Solution

1. Step 1: Write the proportion equation
   9,146.27 : 12,622.48 = 5,562.63 : x
2. Step 2: Convert to fraction form
   9,146.27/12,622.48 = 5,562.63/x
3. Step 3: Cross multiply
   9,146.27x = 12,622.48 × 5,562.63
4. Step 4: Simplify right side
   9,146.27x = 70,214,185.92
5. Step 5: Solve for x
   x = 70,214,185.92/9,146.27
6. Step 6: Final answer
   x = 7,676.81