Finding the Fourth Proportional to 1,344.30, 1,855.16 and 754.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,344.30 : 1,855.16 = 754.82 : x
2. Step 2: Convert to fraction form
   1,344.30/1,855.16 = 754.82/x
3. Step 3: Cross multiply
   1,344.30x = 1,855.16 × 754.82
4. Step 4: Simplify right side
   1,344.30x = 1,400,311.87
5. Step 5: Solve for x
   x = 1,400,311.87/1,344.30
6. Step 6: Final answer
   x = 1,041.67