Finding the Fourth Proportional to 1,347.87, 1,860.05 and 758.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,347.87 : 1,860.05 = 758.41 : x
2. Step 2: Convert to fraction form
   1,347.87/1,860.05 = 758.41/x
3. Step 3: Cross multiply
   1,347.87x = 1,860.05 × 758.41
4. Step 4: Simplify right side
   1,347.87x = 1,410,667.43
5. Step 5: Solve for x
   x = 1,410,667.43/1,347.87
6. Step 6: Final answer
   x = 1,046.59