Finding the Fourth Proportional to 3,610.22, 5,415.31 and 1,013.16

Step by Step Solution

1. Step 1: Write the proportion equation
   3,610.22 : 5,415.31 = 1,013.16 : x
2. Step 2: Convert to fraction form
   3,610.22/5,415.31 = 1,013.16/x
3. Step 3: Cross multiply
   3,610.22x = 5,415.31 × 1,013.16
4. Step 4: Simplify right side
   3,610.22x = 5,486,560.89
5. Step 5: Solve for x
   x = 5,486,560.89/3,610.22
6. Step 6: Final answer
   x = 1,519.73