Finding the Fourth Proportional to 2,952.37, 4,429.49 and 1,392.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,952.37 : 4,429.49 = 1,392.31 : x
2. Step 2: Convert to fraction form
   2,952.37/4,429.49 = 1,392.31/x
3. Step 3: Cross multiply
   2,952.37x = 4,429.49 × 1,392.31
4. Step 4: Simplify right side
   2,952.37x = 6,167,196.88
5. Step 5: Solve for x
   x = 6,167,196.88/2,952.37
6. Step 6: Final answer
   x = 2,088.90