Finding the Fourth Proportional to 1,141.82, 1,711.78 and 995.21

Step by Step Solution

1. Step 1: Write the proportion equation
   1,141.82 : 1,711.78 = 995.21 : x
2. Step 2: Convert to fraction form
   1,141.82/1,711.78 = 995.21/x
3. Step 3: Cross multiply
   1,141.82x = 1,711.78 × 995.21
4. Step 4: Simplify right side
   1,141.82x = 1,703,580.57
5. Step 5: Solve for x
   x = 1,703,580.57/1,141.82
6. Step 6: Final answer
   x = 1,491.99