Finding the Fourth Proportional to 1,432.18, 1,975.83 and 834.57

Step by Step Solution

1. Step 1: Write the proportion equation
   1,432.18 : 1,975.83 = 834.57 : x
2. Step 2: Convert to fraction form
   1,432.18/1,975.83 = 834.57/x
3. Step 3: Cross multiply
   1,432.18x = 1,975.83 × 834.57
4. Step 4: Simplify right side
   1,432.18x = 1,648,964.27
5. Step 5: Solve for x
   x = 1,648,964.27/1,432.18
6. Step 6: Final answer
   x = 1,151.37