Finding the Fourth Proportional to 2,301.38, 3,452.55 and 985.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,301.38 : 3,452.55 = 985.12 : x
2. Step 2: Convert to fraction form
   2,301.38/3,452.55 = 985.12/x
3. Step 3: Cross multiply
   2,301.38x = 3,452.55 × 985.12
4. Step 4: Simplify right side
   2,301.38x = 3,401,176.06
5. Step 5: Solve for x
   x = 3,401,176.06/2,301.38
6. Step 6: Final answer
   x = 1,477.89