Finding the Fourth Proportional to 2,749.51, 4,123.58 and 1,248.68

Step by Step Solution

1. Step 1: Write the proportion equation
   2,749.51 : 4,123.58 = 1,248.68 : x
2. Step 2: Convert to fraction form
   2,749.51/4,123.58 = 1,248.68/x
3. Step 3: Cross multiply
   2,749.51x = 4,123.58 × 1,248.68
4. Step 4: Simplify right side
   2,749.51x = 5,149,015.32
5. Step 5: Solve for x
   x = 5,149,015.32/2,749.51
6. Step 6: Final answer
   x = 1,872.71