Finding the Fourth Proportional to 2,485.46, 3,729.50 and 1,099.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,485.46 : 3,729.50 = 1,099.76 : x
2. Step 2: Convert to fraction form
   2,485.46/3,729.50 = 1,099.76/x
3. Step 3: Cross multiply
   2,485.46x = 3,729.50 × 1,099.76
4. Step 4: Simplify right side
   2,485.46x = 4,101,530.77
5. Step 5: Solve for x
   x = 4,101,530.77/2,485.46
6. Step 6: Final answer
   x = 1,650.21