Finding the Fourth Proportional to 1,262.63, 1,742.82 and 738.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,262.63 : 1,742.82 = 738.83 : x
2. Step 2: Convert to fraction form
   1,262.63/1,742.82 = 738.83/x
3. Step 3: Cross multiply
   1,262.63x = 1,742.82 × 738.83
4. Step 4: Simplify right side
   1,262.63x = 1,287,647.70
5. Step 5: Solve for x
   x = 1,287,647.70/1,262.63
6. Step 6: Final answer
   x = 1,019.81