Finding the Fourth Proportional to 2,800.73, 3,864.93 and 1,541.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,800.73 : 3,864.93 = 1,541.78 : x
2. Step 2: Convert to fraction form
   2,800.73/3,864.93 = 1,541.78/x
3. Step 3: Cross multiply
   2,800.73x = 3,864.93 × 1,541.78
4. Step 4: Simplify right side
   2,800.73x = 5,958,871.78
5. Step 5: Solve for x
   x = 5,958,871.78/2,800.73
6. Step 6: Final answer
   x = 2,127.62