Finding the Fourth Proportional to 7,218.52, 10,819.86 and 4,716.62

Step by Step Solution

1. Step 1: Write the proportion equation
   7,218.52 : 10,819.86 = 4,716.62 : x
2. Step 2: Convert to fraction form
   7,218.52/10,819.86 = 4,716.62/x
3. Step 3: Cross multiply
   7,218.52x = 10,819.86 × 4,716.62
4. Step 4: Simplify right side
   7,218.52x = 51,033,168.07
5. Step 5: Solve for x
   x = 51,033,168.07/7,218.52
6. Step 6: Final answer
   x = 7,069.76