Finding the Fourth Proportional to 2,357.54, 3,536.15 and 818.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,357.54 : 3,536.15 = 818.02 : x
2. Step 2: Convert to fraction form
   2,357.54/3,536.15 = 818.02/x
3. Step 3: Cross multiply
   2,357.54x = 3,536.15 × 818.02
4. Step 4: Simplify right side
   2,357.54x = 2,892,641.42
5. Step 5: Solve for x
   x = 2,892,641.42/2,357.54
6. Step 6: Final answer
   x = 1,226.97