Finding the Fourth Proportional to 1,346.56, 1,858.21 and 757.08

Step by Step Solution

1. Step 1: Write the proportion equation
   1,346.56 : 1,858.21 = 757.08 : x
2. Step 2: Convert to fraction form
   1,346.56/1,858.21 = 757.08/x
3. Step 3: Cross multiply
   1,346.56x = 1,858.21 × 757.08
4. Step 4: Simplify right side
   1,346.56x = 1,406,811.73
5. Step 5: Solve for x
   x = 1,406,811.73/1,346.56
6. Step 6: Final answer
   x = 1,044.75