Finding the Fourth Proportional to 2,709.12, 4,061.19 and 1,066.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,709.12 : 4,061.19 = 1,066.83 : x
2. Step 2: Convert to fraction form
   2,709.12/4,061.19 = 1,066.83/x
3. Step 3: Cross multiply
   2,709.12x = 4,061.19 × 1,066.83
4. Step 4: Simplify right side
   2,709.12x = 4,332,599.33
5. Step 5: Solve for x
   x = 4,332,599.33/2,709.12
6. Step 6: Final answer
   x = 1,599.26