Finding the Fourth Proportional to 2,628.52, 3,941.56 and 985.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,628.52 : 3,941.56 = 985.04 : x
2. Step 2: Convert to fraction form
   2,628.52/3,941.56 = 985.04/x
3. Step 3: Cross multiply
   2,628.52x = 3,941.56 × 985.04
4. Step 4: Simplify right side
   2,628.52x = 3,882,594.26
5. Step 5: Solve for x
   x = 3,882,594.26/2,628.52
6. Step 6: Final answer
   x = 1,477.10