Finding the Fourth Proportional to 5,340.16, 7,369.54 and 2,982.31

Step by Step Solution

1. Step 1: Write the proportion equation
   5,340.16 : 7,369.54 = 2,982.31 : x
2. Step 2: Convert to fraction form
   5,340.16/7,369.54 = 2,982.31/x
3. Step 3: Cross multiply
   5,340.16x = 7,369.54 × 2,982.31
4. Step 4: Simplify right side
   5,340.16x = 21,978,226.96
5. Step 5: Solve for x
   x = 21,978,226.96/5,340.16
6. Step 6: Final answer
   x = 4,115.65