Finding the Fourth Proportional to 3,554.47, 4,905.57 and 2,042.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,554.47 : 4,905.57 = 2,042.56 : x
2. Step 2: Convert to fraction form
   3,554.47/4,905.57 = 2,042.56/x
3. Step 3: Cross multiply
   3,554.47x = 4,905.57 × 2,042.56
4. Step 4: Simplify right side
   3,554.47x = 10,019,921.06
5. Step 5: Solve for x
   x = 10,019,921.06/3,554.47
6. Step 6: Final answer
   x = 2,818.96