Finding the Fourth Proportional to 5,805.53, 8,018.16 and 3,924.88

Step by Step Solution

1. Step 1: Write the proportion equation
   5,805.53 : 8,018.16 = 3,924.88 : x
2. Step 2: Convert to fraction form
   5,805.53/8,018.16 = 3,924.88/x
3. Step 3: Cross multiply
   5,805.53x = 8,018.16 × 3,924.88
4. Step 4: Simplify right side
   5,805.53x = 31,470,315.82
5. Step 5: Solve for x
   x = 31,470,315.82/5,805.53
6. Step 6: Final answer
   x = 5,420.75