Finding the Fourth Proportional to 2,458.46, 3,686.73 and 1,089.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,458.46 : 3,686.73 = 1,089.50 : x
2. Step 2: Convert to fraction form
   2,458.46/3,686.73 = 1,089.50/x
3. Step 3: Cross multiply
   2,458.46x = 3,686.73 × 1,089.50
4. Step 4: Simplify right side
   2,458.46x = 4,016,692.34
5. Step 5: Solve for x
   x = 4,016,692.34/2,458.46
6. Step 6: Final answer
   x = 1,633.82