Finding the Fourth Proportional to 3,828.72, 5,738.16 and 1,881.48

Step by Step Solution

1. Step 1: Write the proportion equation
   3,828.72 : 5,738.16 = 1,881.48 : x
2. Step 2: Convert to fraction form
   3,828.72/5,738.16 = 1,881.48/x
3. Step 3: Cross multiply
   3,828.72x = 5,738.16 × 1,881.48
4. Step 4: Simplify right side
   3,828.72x = 10,796,233.28
5. Step 5: Solve for x
   x = 10,796,233.28/3,828.72
6. Step 6: Final answer
   x = 2,819.80