Finding the Fourth Proportional to 1,347.74, 1,859.86 and 758.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,347.74 : 1,859.86 = 758.38 : x
2. Step 2: Convert to fraction form
   1,347.74/1,859.86 = 758.38/x
3. Step 3: Cross multiply
   1,347.74x = 1,859.86 × 758.38
4. Step 4: Simplify right side
   1,347.74x = 1,410,480.63
5. Step 5: Solve for x
   x = 1,410,480.63/1,347.74
6. Step 6: Final answer
   x = 1,046.55