Finding the Fourth Proportional to 2,069.42, 2,856.33 and 1,185.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,069.42 : 2,856.33 = 1,185.71 : x
2. Step 2: Convert to fraction form
   2,069.42/2,856.33 = 1,185.71/x
3. Step 3: Cross multiply
   2,069.42x = 2,856.33 × 1,185.71
4. Step 4: Simplify right side
   2,069.42x = 3,386,764.76
5. Step 5: Solve for x
   x = 3,386,764.76/2,069.42
6. Step 6: Final answer
   x = 1,636.58