Finding the Fourth Proportional to 2,503.31, 3,754.65 and 1,042.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,503.31 : 3,754.65 = 1,042.27 : x
2. Step 2: Convert to fraction form
   2,503.31/3,754.65 = 1,042.27/x
3. Step 3: Cross multiply
   2,503.31x = 3,754.65 × 1,042.27
4. Step 4: Simplify right side
   2,503.31x = 3,913,353.58
5. Step 5: Solve for x
   x = 3,913,353.58/2,503.31
6. Step 6: Final answer
   x = 1,563.27