Finding the Fourth Proportional to 2,106.43, 3,154.65 and 1,063.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,106.43 : 3,154.65 = 1,063.15 : x
2. Step 2: Convert to fraction form
   2,106.43/3,154.65 = 1,063.15/x
3. Step 3: Cross multiply
   2,106.43x = 3,154.65 × 1,063.15
4. Step 4: Simplify right side
   2,106.43x = 3,353,854.27
5. Step 5: Solve for x
   x = 3,353,854.27/2,106.43
6. Step 6: Final answer
   x = 1,592.20