Finding the Fourth Proportional to 2,800.69, 3,864.92 and 1,541.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,800.69 : 3,864.92 = 1,541.72 : x
2. Step 2: Convert to fraction form
   2,800.69/3,864.92 = 1,541.72/x
3. Step 3: Cross multiply
   2,800.69x = 3,864.92 × 1,541.72
4. Step 4: Simplify right side
   2,800.69x = 5,958,628.32
5. Step 5: Solve for x
   x = 5,958,628.32/2,800.69
6. Step 6: Final answer
   x = 2,127.56