Finding the Fourth Proportional to 1,892.28, 2,837.34 and 722.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,892.28 : 2,837.34 = 722.22 : x
2. Step 2: Convert to fraction form
   1,892.28/2,837.34 = 722.22/x
3. Step 3: Cross multiply
   1,892.28x = 2,837.34 × 722.22
4. Step 4: Simplify right side
   1,892.28x = 2,049,183.69
5. Step 5: Solve for x
   x = 2,049,183.69/1,892.28
6. Step 6: Final answer
   x = 1,082.92