Finding the Fourth Proportional to 3,738.92, 5,156.78 and 2,412.76

Step by Step Solution

1. Step 1: Write the proportion equation
   3,738.92 : 5,156.78 = 2,412.76 : x
2. Step 2: Convert to fraction form
   3,738.92/5,156.78 = 2,412.76/x
3. Step 3: Cross multiply
   3,738.92x = 5,156.78 × 2,412.76
4. Step 4: Simplify right side
   3,738.92x = 12,442,072.51
5. Step 5: Solve for x
   x = 12,442,072.51/3,738.92
6. Step 6: Final answer
   x = 3,327.72