Finding the Fourth Proportional to 1,626.89, 2,435.47 and 1,107.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,626.89 : 2,435.47 = 1,107.41 : x
2. Step 2: Convert to fraction form
   1,626.89/2,435.47 = 1,107.41/x
3. Step 3: Cross multiply
   1,626.89x = 2,435.47 × 1,107.41
4. Step 4: Simplify right side
   1,626.89x = 2,697,048.89
5. Step 5: Solve for x
   x = 2,697,048.89/1,626.89
6. Step 6: Final answer
   x = 1,657.80