Finding the Fourth Proportional to 2,067.86, 3,101.31 and 606.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,067.86 : 3,101.31 = 606.62 : x
2. Step 2: Convert to fraction form
   2,067.86/3,101.31 = 606.62/x
3. Step 3: Cross multiply
   2,067.86x = 3,101.31 × 606.62
4. Step 4: Simplify right side
   2,067.86x = 1,881,316.67
5. Step 5: Solve for x
   x = 1,881,316.67/2,067.86
6. Step 6: Final answer
   x = 909.79