Finding the Fourth Proportional to 3,637.55, 5,456.52 and 1,040.55

Step by Step Solution

1. Step 1: Write the proportion equation
   3,637.55 : 5,456.52 = 1,040.55 : x
2. Step 2: Convert to fraction form
   3,637.55/5,456.52 = 1,040.55/x
3. Step 3: Cross multiply
   3,637.55x = 5,456.52 × 1,040.55
4. Step 4: Simplify right side
   3,637.55x = 5,677,781.89
5. Step 5: Solve for x
   x = 5,677,781.89/3,637.55
6. Step 6: Final answer
   x = 1,560.88