Finding the Fourth Proportional to 1,396.08, 1,926.58 and 798.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,396.08 : 1,926.58 = 798.62 : x
2. Step 2: Convert to fraction form
   1,396.08/1,926.58 = 798.62/x
3. Step 3: Cross multiply
   1,396.08x = 1,926.58 × 798.62
4. Step 4: Simplify right side
   1,396.08x = 1,538,605.32
5. Step 5: Solve for x
   x = 1,538,605.32/1,396.08
6. Step 6: Final answer
   x = 1,102.09