Finding the Fourth Proportional to 1,559.67, 2,340.30 and 738.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,559.67 : 2,340.30 = 738.03 : x
2. Step 2: Convert to fraction form
   1,559.67/2,340.30 = 738.03/x
3. Step 3: Cross multiply
   1,559.67x = 2,340.30 × 738.03
4. Step 4: Simplify right side
   1,559.67x = 1,727,211.61
5. Step 5: Solve for x
   x = 1,727,211.61/1,559.67
6. Step 6: Final answer
   x = 1,107.42