Finding the Fourth Proportional to 2,399.94, 3,312.22 and 1,352.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,399.94 : 3,312.22 = 1,352.20 : x
2. Step 2: Convert to fraction form
   2,399.94/3,312.22 = 1,352.20/x
3. Step 3: Cross multiply
   2,399.94x = 3,312.22 × 1,352.20
4. Step 4: Simplify right side
   2,399.94x = 4,478,783.88
5. Step 5: Solve for x
   x = 4,478,783.88/2,399.94
6. Step 6: Final answer
   x = 1,866.21