Finding the Fourth Proportional to 9,310.64, 12,848.69 and 5,118.89

Step by Step Solution

1. Step 1: Write the proportion equation
   9,310.64 : 12,848.69 = 5,118.89 : x
2. Step 2: Convert to fraction form
   9,310.64/12,848.69 = 5,118.89/x
3. Step 3: Cross multiply
   9,310.64x = 12,848.69 × 5,118.89
4. Step 4: Simplify right side
   9,310.64x = 65,770,979.31
5. Step 5: Solve for x
   x = 65,770,979.31/9,310.64
6. Step 6: Final answer
   x = 7,064.07