Finding the Fourth Proportional to 3,997.81, 5,956.52 and 3,774.25

Step by Step Solution

1. Step 1: Write the proportion equation
   3,997.81 : 5,956.52 = 3,774.25 : x
2. Step 2: Convert to fraction form
   3,997.81/5,956.52 = 3,774.25/x
3. Step 3: Cross multiply
   3,997.81x = 5,956.52 × 3,774.25
4. Step 4: Simplify right side
   3,997.81x = 22,481,395.61
5. Step 5: Solve for x
   x = 22,481,395.61/3,997.81
6. Step 6: Final answer
   x = 5,623.43