Finding the Fourth Proportional to 5,796.72, 7,998.14 and 3,911.81

Step by Step Solution

1. Step 1: Write the proportion equation
   5,796.72 : 7,998.14 = 3,911.81 : x
2. Step 2: Convert to fraction form
   5,796.72/7,998.14 = 3,911.81/x
3. Step 3: Cross multiply
   5,796.72x = 7,998.14 × 3,911.81
4. Step 4: Simplify right side
   5,796.72x = 31,287,173.82
5. Step 5: Solve for x
   x = 31,287,173.82/5,796.72
6. Step 6: Final answer
   x = 5,397.39