Finding the Fourth Proportional to 9,393.33, 12,962.81 and 5,086.47

Step by Step Solution

1. Step 1: Write the proportion equation
   9,393.33 : 12,962.81 = 5,086.47 : x
2. Step 2: Convert to fraction form
   9,393.33/12,962.81 = 5,086.47/x
3. Step 3: Cross multiply
   9,393.33x = 12,962.81 × 5,086.47
4. Step 4: Simplify right side
   9,393.33x = 65,934,879.37
5. Step 5: Solve for x
   x = 65,934,879.37/9,393.33
6. Step 6: Final answer
   x = 7,019.33