Finding the Fourth Proportional to 2,424.20, 3,634.56 and 1,107.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,424.20 : 3,634.56 = 1,107.29 : x
2. Step 2: Convert to fraction form
   2,424.20/3,634.56 = 1,107.29/x
3. Step 3: Cross multiply
   2,424.20x = 3,634.56 × 1,107.29
4. Step 4: Simplify right side
   2,424.20x = 4,024,493.77
5. Step 5: Solve for x
   x = 4,024,493.77/2,424.20
6. Step 6: Final answer
   x = 1,660.14