Finding the Fourth Proportional to 9,310, 12,848.16 and 5,118.16

Step by Step Solution

1. Step 1: Write the proportion equation
   9,310 : 12,848.16 = 5,118.16 : x
2. Step 2: Convert to fraction form
   9,310/12,848.16 = 5,118.16/x
3. Step 3: Cross multiply
   9,310x = 12,848.16 × 5,118.16
4. Step 4: Simplify right side
   9,310x = 65,758,938.59
5. Step 5: Solve for x
   x = 65,758,938.59/9,310
6. Step 6: Final answer
   x = 7,063.26