Finding the Fourth Proportional to 3,050.17, 4,574.23 and 1,200.80

Step by Step Solution

1. Step 1: Write the proportion equation
   3,050.17 : 4,574.23 = 1,200.80 : x
2. Step 2: Convert to fraction form
   3,050.17/4,574.23 = 1,200.80/x
3. Step 3: Cross multiply
   3,050.17x = 4,574.23 × 1,200.80
4. Step 4: Simplify right side
   3,050.17x = 5,492,735.38
5. Step 5: Solve for x
   x = 5,492,735.38/3,050.17
6. Step 6: Final answer
   x = 1,800.80