Finding the Fourth Proportional to 9,318.50, 12,858.94 and 5,069.52

Step by Step Solution

1. Step 1: Write the proportion equation
   9,318.50 : 12,858.94 = 5,069.52 : x
2. Step 2: Convert to fraction form
   9,318.50/12,858.94 = 5,069.52/x
3. Step 3: Cross multiply
   9,318.50x = 12,858.94 × 5,069.52
4. Step 4: Simplify right side
   9,318.50x = 65,188,653.51
5. Step 5: Solve for x
   x = 65,188,653.51/9,318.50
6. Step 6: Final answer
   x = 6,995.62