Finding the Fourth Proportional to 1,355.83, 1,870.96 and 758.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,355.83 : 1,870.96 = 758.22 : x
2. Step 2: Convert to fraction form
   1,355.83/1,870.96 = 758.22/x
3. Step 3: Cross multiply
   1,355.83x = 1,870.96 × 758.22
4. Step 4: Simplify right side
   1,355.83x = 1,418,599.29
5. Step 5: Solve for x
   x = 1,418,599.29/1,355.83
6. Step 6: Final answer
   x = 1,046.30