Finding the Fourth Proportional to 1,355.92, 1,870.56 and 796.44

Step by Step Solution

1. Step 1: Write the proportion equation
   1,355.92 : 1,870.56 = 796.44 : x
2. Step 2: Convert to fraction form
   1,355.92/1,870.56 = 796.44/x
3. Step 3: Cross multiply
   1,355.92x = 1,870.56 × 796.44
4. Step 4: Simplify right side
   1,355.92x = 1,489,788.81
5. Step 5: Solve for x
   x = 1,489,788.81/1,355.92
6. Step 6: Final answer
   x = 1,098.73