Finding the Fourth Proportional to 1,347.73, 1,859.96 and 758.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,347.73 : 1,859.96 = 758.31 : x
2. Step 2: Convert to fraction form
   1,347.73/1,859.96 = 758.31/x
3. Step 3: Cross multiply
   1,347.73x = 1,859.96 × 758.31
4. Step 4: Simplify right side
   1,347.73x = 1,410,426.27
5. Step 5: Solve for x
   x = 1,410,426.27/1,347.73
6. Step 6: Final answer
   x = 1,046.52