Finding the Fourth Proportional to 2,834.53, 4,251.56 and 985.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,834.53 : 4,251.56 = 985.33 : x
2. Step 2: Convert to fraction form
   2,834.53/4,251.56 = 985.33/x
3. Step 3: Cross multiply
   2,834.53x = 4,251.56 × 985.33
4. Step 4: Simplify right side
   2,834.53x = 4,189,184.69
5. Step 5: Solve for x
   x = 4,189,184.69/2,834.53
6. Step 6: Final answer
   x = 1,477.91