Finding the Fourth Proportional to 1,789.56, 2,469.54 and 992.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,789.56 : 2,469.54 = 992.94 : x
2. Step 2: Convert to fraction form
   1,789.56/2,469.54 = 992.94/x
3. Step 3: Cross multiply
   1,789.56x = 2,469.54 × 992.94
4. Step 4: Simplify right side
   1,789.56x = 2,452,105.05
5. Step 5: Solve for x
   x = 2,452,105.05/1,789.56
6. Step 6: Final answer
   x = 1,370.23