Finding the Fourth Proportional to 7,819.72, 10,790.81 and 4,282.25

Step by Step Solution

1. Step 1: Write the proportion equation
   7,819.72 : 10,790.81 = 4,282.25 : x
2. Step 2: Convert to fraction form
   7,819.72/10,790.81 = 4,282.25/x
3. Step 3: Cross multiply
   7,819.72x = 10,790.81 × 4,282.25
4. Step 4: Simplify right side
   7,819.72x = 46,208,946.12
5. Step 5: Solve for x
   x = 46,208,946.12/7,819.72
6. Step 6: Final answer
   x = 5,909.28