Finding the Fourth Proportional to 2,424.65, 3,633.82 and 1,089.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,424.65 : 3,633.82 = 1,089.45 : x
2. Step 2: Convert to fraction form
   2,424.65/3,633.82 = 1,089.45/x
3. Step 3: Cross multiply
   2,424.65x = 3,633.82 × 1,089.45
4. Step 4: Simplify right side
   2,424.65x = 3,958,876.10
5. Step 5: Solve for x
   x = 3,958,876.10/2,424.65
6. Step 6: Final answer
   x = 1,632.77