Finding the Fourth Proportional to 2,370.42, 3,556.17 and 909.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,370.42 : 3,556.17 = 909.54 : x
2. Step 2: Convert to fraction form
   2,370.42/3,556.17 = 909.54/x
3. Step 3: Cross multiply
   2,370.42x = 3,556.17 × 909.54
4. Step 4: Simplify right side
   2,370.42x = 3,234,478.86
5. Step 5: Solve for x
   x = 3,234,478.86/2,370.42
6. Step 6: Final answer
   x = 1,364.52