Finding the Fourth Proportional to 1,347.89, 1,860.17 and 758.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,347.89 : 1,860.17 = 758.46 : x
2. Step 2: Convert to fraction form
   1,347.89/1,860.17 = 758.46/x
3. Step 3: Cross multiply
   1,347.89x = 1,860.17 × 758.46
4. Step 4: Simplify right side
   1,347.89x = 1,410,867.72
5. Step 5: Solve for x
   x = 1,410,867.72/1,347.89
6. Step 6: Final answer
   x = 1,046.72