Finding the Fourth Proportional to 1,598.76, 2,396.72 and 818.33

Step by Step Solution

1. Step 1: Write the proportion equation
   1,598.76 : 2,396.72 = 818.33 : x
2. Step 2: Convert to fraction form
   1,598.76/2,396.72 = 818.33/x
3. Step 3: Cross multiply
   1,598.76x = 2,396.72 × 818.33
4. Step 4: Simplify right side
   1,598.76x = 1,961,297.94
5. Step 5: Solve for x
   x = 1,961,297.94/1,598.76
6. Step 6: Final answer
   x = 1,226.76