Finding the Fourth Proportional to 2,800.89, 3,865.23 and 1,541.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,800.89 : 3,865.23 = 1,541.91 : x
2. Step 2: Convert to fraction form
   2,800.89/3,865.23 = 1,541.91/x
3. Step 3: Cross multiply
   2,800.89x = 3,865.23 × 1,541.91
4. Step 4: Simplify right side
   2,800.89x = 5,959,836.79
5. Step 5: Solve for x
   x = 5,959,836.79/2,800.89
6. Step 6: Final answer
   x = 2,127.84