Finding the Fourth Proportional to 1,347.39, 2,019.33 and 731.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,347.39 : 2,019.33 = 731.25 : x
2. Step 2: Convert to fraction form
   1,347.39/2,019.33 = 731.25/x
3. Step 3: Cross multiply
   1,347.39x = 2,019.33 × 731.25
4. Step 4: Simplify right side
   1,347.39x = 1,476,635.06
5. Step 5: Solve for x
   x = 1,476,635.06/1,347.39
6. Step 6: Final answer
   x = 1,095.92