Finding the Fourth Proportional to 1,346.48, 1,858.24 and 757.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,346.48 : 1,858.24 = 757.12 : x
2. Step 2: Convert to fraction form
   1,346.48/1,858.24 = 757.12/x
3. Step 3: Cross multiply
   1,346.48x = 1,858.24 × 757.12
4. Step 4: Simplify right side
   1,346.48x = 1,406,910.67
5. Step 5: Solve for x
   x = 1,406,910.67/1,346.48
6. Step 6: Final answer
   x = 1,044.88