Finding the Fourth Proportional to 3,548.89, 4,897.10 and 2,057.28

Step by Step Solution

1. Step 1: Write the proportion equation
   3,548.89 : 4,897.10 = 2,057.28 : x
2. Step 2: Convert to fraction form
   3,548.89/4,897.10 = 2,057.28/x
3. Step 3: Cross multiply
   3,548.89x = 4,897.10 × 2,057.28
4. Step 4: Simplify right side
   3,548.89x = 10,074,671.12
5. Step 5: Solve for x
   x = 10,074,671.12/3,548.89
6. Step 6: Final answer
   x = 2,838.82