Finding the Fourth Proportional to 2,229.79, 3,357.72 and 1,648.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,229.79 : 3,357.72 = 1,648.88 : x
2. Step 2: Convert to fraction form
   2,229.79/3,357.72 = 1,648.88/x
3. Step 3: Cross multiply
   2,229.79x = 3,357.72 × 1,648.88
4. Step 4: Simplify right side
   2,229.79x = 5,536,481.81
5. Step 5: Solve for x
   x = 5,536,481.81/2,229.79
6. Step 6: Final answer
   x = 2,482.96