Finding the Fourth Proportional to 5,282.82, 7,929.42 and 3,892.26

Step by Step Solution

1. Step 1: Write the proportion equation
   5,282.82 : 7,929.42 = 3,892.26 : x
2. Step 2: Convert to fraction form
   5,282.82/7,929.42 = 3,892.26/x
3. Step 3: Cross multiply
   5,282.82x = 7,929.42 × 3,892.26
4. Step 4: Simplify right side
   5,282.82x = 30,863,364.29
5. Step 5: Solve for x
   x = 30,863,364.29/5,282.82
6. Step 6: Final answer
   x = 5,842.21