Finding the Fourth Proportional to 2,806.71, 4,209.72 and 1,162.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,806.71 : 4,209.72 = 1,162.81 : x
2. Step 2: Convert to fraction form
   2,806.71/4,209.72 = 1,162.81/x
3. Step 3: Cross multiply
   2,806.71x = 4,209.72 × 1,162.81
4. Step 4: Simplify right side
   2,806.71x = 4,895,104.51
5. Step 5: Solve for x
   x = 4,895,104.51/2,806.71
6. Step 6: Final answer
   x = 1,744.07