Finding the Fourth Proportional to 2,105.46, 3,156 and 1,062.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,105.46 : 3,156 = 1,062.30 : x
2. Step 2: Convert to fraction form
   2,105.46/3,156 = 1,062.30/x
3. Step 3: Cross multiply
   2,105.46x = 3,156 × 1,062.30
4. Step 4: Simplify right side
   2,105.46x = 3,352,618.80
5. Step 5: Solve for x
   x = 3,352,618.80/2,105.46
6. Step 6: Final answer
   x = 1,592.35