Finding the Fourth Proportional to 3,601.16, 5,401.26 and 1,003.88

Step by Step Solution

1. Step 1: Write the proportion equation
   3,601.16 : 5,401.26 = 1,003.88 : x
2. Step 2: Convert to fraction form
   3,601.16/5,401.26 = 1,003.88/x
3. Step 3: Cross multiply
   3,601.16x = 5,401.26 × 1,003.88
4. Step 4: Simplify right side
   3,601.16x = 5,422,216.89
5. Step 5: Solve for x
   x = 5,422,216.89/3,601.16
6. Step 6: Final answer
   x = 1,505.69