Finding the Fourth Proportional to 2,067.18, 3,100.86 and 606.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,067.18 : 3,100.86 = 606.42 : x
2. Step 2: Convert to fraction form
   2,067.18/3,100.86 = 606.42/x
3. Step 3: Cross multiply
   2,067.18x = 3,100.86 × 606.42
4. Step 4: Simplify right side
   2,067.18x = 1,880,423.52
5. Step 5: Solve for x
   x = 1,880,423.52/2,067.18
6. Step 6: Final answer
   x = 909.66