Finding the Fourth Proportional to 1,346.64, 1,858.33 and 757.21

Step by Step Solution

1. Step 1: Write the proportion equation
   1,346.64 : 1,858.33 = 757.21 : x
2. Step 2: Convert to fraction form
   1,346.64/1,858.33 = 757.21/x
3. Step 3: Cross multiply
   1,346.64x = 1,858.33 × 757.21
4. Step 4: Simplify right side
   1,346.64x = 1,407,142.27
5. Step 5: Solve for x
   x = 1,407,142.27/1,346.64
6. Step 6: Final answer
   x = 1,044.93