Finding the Fourth Proportional to 2,152.79, 3,231.36 and 1,449.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,152.79 : 3,231.36 = 1,449.91 : x
2. Step 2: Convert to fraction form
   2,152.79/3,231.36 = 1,449.91/x
3. Step 3: Cross multiply
   2,152.79x = 3,231.36 × 1,449.91
4. Step 4: Simplify right side
   2,152.79x = 4,685,185.22
5. Step 5: Solve for x
   x = 4,685,185.22/2,152.79
6. Step 6: Final answer
   x = 2,176.33