Finding the Fourth Proportional to 9,310.28, 12,848.22 and 5,118.56

Step by Step Solution

1. Step 1: Write the proportion equation
   9,310.28 : 12,848.22 = 5,118.56 : x
2. Step 2: Convert to fraction form
   9,310.28/12,848.22 = 5,118.56/x
3. Step 3: Cross multiply
   9,310.28x = 12,848.22 × 5,118.56
4. Step 4: Simplify right side
   9,310.28x = 65,764,384.96
5. Step 5: Solve for x
   x = 65,764,384.96/9,310.28
6. Step 6: Final answer
   x = 7,063.63