Finding the Fourth Proportional to 7,181.31, 9,907.38 and 5,297.37

Step by Step Solution

1. Step 1: Write the proportion equation
   7,181.31 : 9,907.38 = 5,297.37 : x
2. Step 2: Convert to fraction form
   7,181.31/9,907.38 = 5,297.37/x
3. Step 3: Cross multiply
   7,181.31x = 9,907.38 × 5,297.37
4. Step 4: Simplify right side
   7,181.31x = 52,483,057.59
5. Step 5: Solve for x
   x = 52,483,057.59/7,181.31
6. Step 6: Final answer
   x = 7,308.28