Finding the Fourth Proportional to 1,347.16, 1,859.14 and 757.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,347.16 : 1,859.14 = 757.72 : x
2. Step 2: Convert to fraction form
   1,347.16/1,859.14 = 757.72/x
3. Step 3: Cross multiply
   1,347.16x = 1,859.14 × 757.72
4. Step 4: Simplify right side
   1,347.16x = 1,408,707.56
5. Step 5: Solve for x
   x = 1,408,707.56/1,347.16
6. Step 6: Final answer
   x = 1,045.69