Finding the Fourth Proportional to 9,479.50, 13,081.52 and 5,230.94

Step by Step Solution

1. Step 1: Write the proportion equation
   9,479.50 : 13,081.52 = 5,230.94 : x
2. Step 2: Convert to fraction form
   9,479.50/13,081.52 = 5,230.94/x
3. Step 3: Cross multiply
   9,479.50x = 13,081.52 × 5,230.94
4. Step 4: Simplify right side
   9,479.50x = 68,428,593.90
5. Step 5: Solve for x
   x = 68,428,593.90/9,479.50
6. Step 6: Final answer
   x = 7,218.59