Finding the Fourth Proportional to 3,503.54, 5,256.34 and 1,038.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,503.54 : 5,256.34 = 1,038.42 : x
2. Step 2: Convert to fraction form
   3,503.54/5,256.34 = 1,038.42/x
3. Step 3: Cross multiply
   3,503.54x = 5,256.34 × 1,038.42
4. Step 4: Simplify right side
   3,503.54x = 5,458,288.58
5. Step 5: Solve for x
   x = 5,458,288.58/3,503.54
6. Step 6: Final answer
   x = 1,557.94