Finding the Fourth Proportional to 10,216.02, 15,320.04 and 3,975.21

Step by Step Solution

1. Step 1: Write the proportion equation
   10,216.02 : 15,320.04 = 3,975.21 : x
2. Step 2: Convert to fraction form
   10,216.02/15,320.04 = 3,975.21/x
3. Step 3: Cross multiply
   10,216.02x = 15,320.04 × 3,975.21
4. Step 4: Simplify right side
   10,216.02x = 60,900,361.30
5. Step 5: Solve for x
   x = 60,900,361.30/10,216.02
6. Step 6: Final answer
   x = 5,961.26