Finding the Fourth Proportional to 3,383.58, 5,074.72 and 1,042.96

Step by Step Solution

1. Step 1: Write the proportion equation
   3,383.58 : 5,074.72 = 1,042.96 : x
2. Step 2: Convert to fraction form
   3,383.58/5,074.72 = 1,042.96/x
3. Step 3: Cross multiply
   3,383.58x = 5,074.72 × 1,042.96
4. Step 4: Simplify right side
   3,383.58x = 5,292,729.97
5. Step 5: Solve for x
   x = 5,292,729.97/3,383.58
6. Step 6: Final answer
   x = 1,564.24