Finding the Fourth Proportional to 5,339.91, 7,997.55 and 3,697.62

Step by Step Solution

1. Step 1: Write the proportion equation
   5,339.91 : 7,997.55 = 3,697.62 : x
2. Step 2: Convert to fraction form
   5,339.91/7,997.55 = 3,697.62/x
3. Step 3: Cross multiply
   5,339.91x = 7,997.55 × 3,697.62
4. Step 4: Simplify right side
   5,339.91x = 29,571,900.83
5. Step 5: Solve for x
   x = 29,571,900.83/5,339.91
6. Step 6: Final answer
   x = 5,537.90