Finding the Fourth Proportional to 1,351.69, 1,865.33 and 730.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,351.69 : 1,865.33 = 730.69 : x
2. Step 2: Convert to fraction form
   1,351.69/1,865.33 = 730.69/x
3. Step 3: Cross multiply
   1,351.69x = 1,865.33 × 730.69
4. Step 4: Simplify right side
   1,351.69x = 1,362,972.40
5. Step 5: Solve for x
   x = 1,362,972.40/1,351.69
6. Step 6: Final answer
   x = 1,008.35