Finding the Fourth Proportional to 2,048.62, 3,074.14 and 816.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,048.62 : 3,074.14 = 816.60 : x
2. Step 2: Convert to fraction form
   2,048.62/3,074.14 = 816.60/x
3. Step 3: Cross multiply
   2,048.62x = 3,074.14 × 816.60
4. Step 4: Simplify right side
   2,048.62x = 2,510,342.72
5. Step 5: Solve for x
   x = 2,510,342.72/2,048.62
6. Step 6: Final answer
   x = 1,225.38