Finding the Fourth Proportional to 9,162.98, 12,648.17 and 5,576.30

Step by Step Solution

1. Step 1: Write the proportion equation
   9,162.98 : 12,648.17 = 5,576.30 : x
2. Step 2: Convert to fraction form
   9,162.98/12,648.17 = 5,576.30/x
3. Step 3: Cross multiply
   9,162.98x = 12,648.17 × 5,576.30
4. Step 4: Simplify right side
   9,162.98x = 70,529,988.50
5. Step 5: Solve for x
   x = 70,529,988.50/9,162.98
6. Step 6: Final answer
   x = 7,697.28