Finding the Fourth Proportional to 5,375.23, 7,997.81 and 5,241.31

Step by Step Solution

1. Step 1: Write the proportion equation
   5,375.23 : 7,997.81 = 5,241.31 : x
2. Step 2: Convert to fraction form
   5,375.23/7,997.81 = 5,241.31/x
3. Step 3: Cross multiply
   5,375.23x = 7,997.81 × 5,241.31
4. Step 4: Simplify right side
   5,375.23x = 41,919,001.53
5. Step 5: Solve for x
   x = 41,919,001.53/5,375.23
6. Step 6: Final answer
   x = 7,798.55