Finding the Fourth Proportional to 1,431.82, 1,975.88 and 834.44

Step by Step Solution

1. Step 1: Write the proportion equation
   1,431.82 : 1,975.88 = 834.44 : x
2. Step 2: Convert to fraction form
   1,431.82/1,975.88 = 834.44/x
3. Step 3: Cross multiply
   1,431.82x = 1,975.88 × 834.44
4. Step 4: Simplify right side
   1,431.82x = 1,648,753.31
5. Step 5: Solve for x
   x = 1,648,753.31/1,431.82
6. Step 6: Final answer
   x = 1,151.51