Finding the Fourth Proportional to 1,347.72, 1,859.98 and 758.36

Step by Step Solution

1. Step 1: Write the proportion equation
   1,347.72 : 1,859.98 = 758.36 : x
2. Step 2: Convert to fraction form
   1,347.72/1,859.98 = 758.36/x
3. Step 3: Cross multiply
   1,347.72x = 1,859.98 × 758.36
4. Step 4: Simplify right side
   1,347.72x = 1,410,534.43
5. Step 5: Solve for x
   x = 1,410,534.43/1,347.72
6. Step 6: Final answer
   x = 1,046.61