Finding the Fourth Proportional to 1,614.43, 2,420.82 and 834.79

Step by Step Solution

1. Step 1: Write the proportion equation
   1,614.43 : 2,420.82 = 834.79 : x
2. Step 2: Convert to fraction form
   1,614.43/2,420.82 = 834.79/x
3. Step 3: Cross multiply
   1,614.43x = 2,420.82 × 834.79
4. Step 4: Simplify right side
   1,614.43x = 2,020,876.33
5. Step 5: Solve for x
   x = 2,020,876.33/1,614.43
6. Step 6: Final answer
   x = 1,251.76