Finding the Fourth Proportional to 9,310.30, 12,848.16 and 5,118.52

Step by Step Solution

1. Step 1: Write the proportion equation
   9,310.30 : 12,848.16 = 5,118.52 : x
2. Step 2: Convert to fraction form
   9,310.30/12,848.16 = 5,118.52/x
3. Step 3: Cross multiply
   9,310.30x = 12,848.16 × 5,118.52
4. Step 4: Simplify right side
   9,310.30x = 65,763,563.92
5. Step 5: Solve for x
   x = 65,763,563.92/9,310.30
6. Step 6: Final answer
   x = 7,063.53