Finding the Fourth Proportional to 1,346.07, 1,857.37 and 756.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,346.07 : 1,857.37 = 756.49 : x
2. Step 2: Convert to fraction form
   1,346.07/1,857.37 = 756.49/x
3. Step 3: Cross multiply
   1,346.07x = 1,857.37 × 756.49
4. Step 4: Simplify right side
   1,346.07x = 1,405,081.83
5. Step 5: Solve for x
   x = 1,405,081.83/1,346.07
6. Step 6: Final answer
   x = 1,043.84