Finding the Fourth Proportional to 2,106.89, 3,162.29 and 1,067.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,106.89 : 3,162.29 = 1,067.63 : x
2. Step 2: Convert to fraction form
   2,106.89/3,162.29 = 1,067.63/x
3. Step 3: Cross multiply
   2,106.89x = 3,162.29 × 1,067.63
4. Step 4: Simplify right side
   2,106.89x = 3,376,150.33
5. Step 5: Solve for x
   x = 3,376,150.33/2,106.89
6. Step 6: Final answer
   x = 1,602.43