Finding the Fourth Proportional to 2,456.50, 3,685.56 and 994.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,456.50 : 3,685.56 = 994.86 : x
2. Step 2: Convert to fraction form
   2,456.50/3,685.56 = 994.86/x
3. Step 3: Cross multiply
   2,456.50x = 3,685.56 × 994.86
4. Step 4: Simplify right side
   2,456.50x = 3,666,616.22
5. Step 5: Solve for x
   x = 3,666,616.22/2,456.50
6. Step 6: Final answer
   x = 1,492.62