Finding the Fourth Proportional to 1,355.82, 1,870.99 and 758.33

Step by Step Solution

1. Step 1: Write the proportion equation
   1,355.82 : 1,870.99 = 758.33 : x
2. Step 2: Convert to fraction form
   1,355.82/1,870.99 = 758.33/x
3. Step 3: Cross multiply
   1,355.82x = 1,870.99 × 758.33
4. Step 4: Simplify right side
   1,355.82x = 1,418,827.85
5. Step 5: Solve for x
   x = 1,418,827.85/1,355.82
6. Step 6: Final answer
   x = 1,046.47