Finding the Fourth Proportional to 3,610.83, 5,417.15 and 1,013.77

Step by Step Solution

1. Step 1: Write the proportion equation
   3,610.83 : 5,417.15 = 1,013.77 : x
2. Step 2: Convert to fraction form
   3,610.83/5,417.15 = 1,013.77/x
3. Step 3: Cross multiply
   3,610.83x = 5,417.15 × 1,013.77
4. Step 4: Simplify right side
   3,610.83x = 5,491,723.94
5. Step 5: Solve for x
   x = 5,491,723.94/3,610.83
6. Step 6: Final answer
   x = 1,520.90