Finding the Fourth Proportional to 2,749.38, 4,124.72 and 900.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,749.38 : 4,124.72 = 900.49 : x
2. Step 2: Convert to fraction form
   2,749.38/4,124.72 = 900.49/x
3. Step 3: Cross multiply
   2,749.38x = 4,124.72 × 900.49
4. Step 4: Simplify right side
   2,749.38x = 3,714,269.11
5. Step 5: Solve for x
   x = 3,714,269.11/2,749.38
6. Step 6: Final answer
   x = 1,350.95