Finding the Fourth Proportional to 1,171.38, 1,759.54 and 738.84

Step by Step Solution

1. Step 1: Write the proportion equation
   1,171.38 : 1,759.54 = 738.84 : x
2. Step 2: Convert to fraction form
   1,171.38/1,759.54 = 738.84/x
3. Step 3: Cross multiply
   1,171.38x = 1,759.54 × 738.84
4. Step 4: Simplify right side
   1,171.38x = 1,300,018.53
5. Step 5: Solve for x
   x = 1,300,018.53/1,171.38
6. Step 6: Final answer
   x = 1,109.82