Finding the Fourth Proportional to 1,432.35, 1,976.49 and 834.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,432.35 : 1,976.49 = 834.71 : x
2. Step 2: Convert to fraction form
   1,432.35/1,976.49 = 834.71/x
3. Step 3: Cross multiply
   1,432.35x = 1,976.49 × 834.71
4. Step 4: Simplify right side
   1,432.35x = 1,649,786.09
5. Step 5: Solve for x
   x = 1,649,786.09/1,432.35
6. Step 6: Final answer
   x = 1,151.80