Finding the Fourth Proportional to 2,069.68, 2,856.24 and 1,185.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,069.68 : 2,856.24 = 1,185.56 : x
2. Step 2: Convert to fraction form
   2,069.68/2,856.24 = 1,185.56/x
3. Step 3: Cross multiply
   2,069.68x = 2,856.24 × 1,185.56
4. Step 4: Simplify right side
   2,069.68x = 3,386,243.89
5. Step 5: Solve for x
   x = 3,386,243.89/2,069.68
6. Step 6: Final answer
   x = 1,636.12