Finding the Fourth Proportional to 2,339.21, 3,227.83 and 1,395.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,339.21 : 3,227.83 = 1,395.05 : x
2. Step 2: Convert to fraction form
   2,339.21/3,227.83 = 1,395.05/x
3. Step 3: Cross multiply
   2,339.21x = 3,227.83 × 1,395.05
4. Step 4: Simplify right side
   2,339.21x = 4,502,984.24
5. Step 5: Solve for x
   x = 4,502,984.24/2,339.21
6. Step 6: Final answer
   x = 1,925.01