Finding the Fourth Proportional to 1,321,696, 1,823,945.34 and 718,084

Step by Step Solution

1. Step 1: Write the proportion equation
   1,321,696 : 1,823,945.34 = 718,084 : x
2. Step 2: Convert to fraction form
   1,321,696/1,823,945.34 = 718,084/x
3. Step 3: Cross multiply
   1,321,696x = 1,823,945.34 × 718,084
4. Step 4: Simplify right side
   1,321,696x = 1,309,745,965,528.56
5. Step 5: Solve for x
   x = 1,309,745,965,528.56/1,321,696
6. Step 6: Final answer
   x = 990,958.56