Finding the Fourth Proportional to 2,105.69, 3,155.31 and 1,062.77

Step by Step Solution

1. Step 1: Write the proportion equation
   2,105.69 : 3,155.31 = 1,062.77 : x
2. Step 2: Convert to fraction form
   2,105.69/3,155.31 = 1,062.77/x
3. Step 3: Cross multiply
   2,105.69x = 3,155.31 × 1,062.77
4. Step 4: Simplify right side
   2,105.69x = 3,353,353.03
5. Step 5: Solve for x
   x = 3,353,353.03/2,105.69
6. Step 6: Final answer
   x = 1,592.52