Finding the Fourth Proportional to 1,346.09, 1,857.61 and 756.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,346.09 : 1,857.61 = 756.82 : x
2. Step 2: Convert to fraction form
   1,346.09/1,857.61 = 756.82/x
3. Step 3: Cross multiply
   1,346.09x = 1,857.61 × 756.82
4. Step 4: Simplify right side
   1,346.09x = 1,405,876.40
5. Step 5: Solve for x
   x = 1,405,876.40/1,346.09
6. Step 6: Final answer
   x = 1,044.41