Finding the Fourth Proportional to 1,355.55, 1,870.68 and 796.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,355.55 : 1,870.68 = 796.06 : x
2. Step 2: Convert to fraction form
   1,355.55/1,870.68 = 796.06/x
3. Step 3: Cross multiply
   1,355.55x = 1,870.68 × 796.06
4. Step 4: Simplify right side
   1,355.55x = 1,489,173.52
5. Step 5: Solve for x
   x = 1,489,173.52/1,355.55
6. Step 6: Final answer
   x = 1,098.58