Finding the Fourth Proportional to 2,301.96, 3,451.80 and 985.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,301.96 : 3,451.80 = 985.52 : x
2. Step 2: Convert to fraction form
   2,301.96/3,451.80 = 985.52/x
3. Step 3: Cross multiply
   2,301.96x = 3,451.80 × 985.52
4. Step 4: Simplify right side
   2,301.96x = 3,401,817.94
5. Step 5: Solve for x
   x = 3,401,817.94/2,301.96
6. Step 6: Final answer
   x = 1,477.79