Finding the Fourth Proportional to 2,482.38, 3,724.03 and 816.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,482.38 : 3,724.03 = 816.60 : x
2. Step 2: Convert to fraction form
   2,482.38/3,724.03 = 816.60/x
3. Step 3: Cross multiply
   2,482.38x = 3,724.03 × 816.60
4. Step 4: Simplify right side
   2,482.38x = 3,041,040.86
5. Step 5: Solve for x
   x = 3,041,040.86/2,482.38
6. Step 6: Final answer
   x = 1,225.05