Finding the Fourth Proportional to 3,507.98, 5,261.56 and 1,042.54

Step by Step Solution

1. Step 1: Write the proportion equation
   3,507.98 : 5,261.56 = 1,042.54 : x
2. Step 2: Convert to fraction form
   3,507.98/5,261.56 = 1,042.54/x
3. Step 3: Cross multiply
   3,507.98x = 5,261.56 × 1,042.54
4. Step 4: Simplify right side
   3,507.98x = 5,485,371.00
5. Step 5: Solve for x
   x = 5,485,371.00/3,507.98
6. Step 6: Final answer
   x = 1,563.69