Finding the Fourth Proportional to 7,820.69, 10,792.58 and 4,284.09

Step by Step Solution

1. Step 1: Write the proportion equation
   7,820.69 : 10,792.58 = 4,284.09 : x
2. Step 2: Convert to fraction form
   7,820.69/10,792.58 = 4,284.09/x
3. Step 3: Cross multiply
   7,820.69x = 10,792.58 × 4,284.09
4. Step 4: Simplify right side
   7,820.69x = 46,236,362.63
5. Step 5: Solve for x
   x = 46,236,362.63/7,820.69
6. Step 6: Final answer
   x = 5,912.06