Finding the Fourth Proportional to 2,106.94, 2,907.58 and 1,162.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,106.94 : 2,907.58 = 1,162.71 : x
2. Step 2: Convert to fraction form
   2,106.94/2,907.58 = 1,162.71/x
3. Step 3: Cross multiply
   2,106.94x = 2,907.58 × 1,162.71
4. Step 4: Simplify right side
   2,106.94x = 3,380,672.34
5. Step 5: Solve for x
   x = 3,380,672.34/2,106.94
6. Step 6: Final answer
   x = 1,604.54