Finding the Fourth Proportional to 5,792.86, 7,992.81 and 3,907.94

Step by Step Solution

1. Step 1: Write the proportion equation
   5,792.86 : 7,992.81 = 3,907.94 : x
2. Step 2: Convert to fraction form
   5,792.86/7,992.81 = 3,907.94/x
3. Step 3: Cross multiply
   5,792.86x = 7,992.81 × 3,907.94
4. Step 4: Simplify right side
   5,792.86x = 31,235,421.91
5. Step 5: Solve for x
   x = 31,235,421.91/5,792.86
6. Step 6: Final answer
   x = 5,392.06