Finding the Fourth Proportional to 2,834.49, 4,250.37 and 985.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,834.49 : 4,250.37 = 985.57 : x
2. Step 2: Convert to fraction form
   2,834.49/4,250.37 = 985.57/x
3. Step 3: Cross multiply
   2,834.49x = 4,250.37 × 985.57
4. Step 4: Simplify right side
   2,834.49x = 4,189,030.23
5. Step 5: Solve for x
   x = 4,189,030.23/2,834.49
6. Step 6: Final answer
   x = 1,477.88