Finding the Fourth Proportional to 1,347.91, 1,860.16 and 758.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,347.91 : 1,860.16 = 758.47 : x
2. Step 2: Convert to fraction form
   1,347.91/1,860.16 = 758.47/x
3. Step 3: Cross multiply
   1,347.91x = 1,860.16 × 758.47
4. Step 4: Simplify right side
   1,347.91x = 1,410,871.79
5. Step 5: Solve for x
   x = 1,410,871.79/1,347.91
6. Step 6: Final answer
   x = 1,046.71