Finding the Fourth Proportional to 1,770.33, 2,443.92 and 1,107.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,770.33 : 2,443.92 = 1,107.55 : x
2. Step 2: Convert to fraction form
   1,770.33/2,443.92 = 1,107.55/x
3. Step 3: Cross multiply
   1,770.33x = 2,443.92 × 1,107.55
4. Step 4: Simplify right side
   1,770.33x = 2,706,763.60
5. Step 5: Solve for x
   x = 2,706,763.60/1,770.33
6. Step 6: Final answer
   x = 1,528.96