Finding the Fourth Proportional to 3,028.50, 4,543.89 and 976.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,028.50 : 4,543.89 = 976.50 : x
2. Step 2: Convert to fraction form
   3,028.50/4,543.89 = 976.50/x
3. Step 3: Cross multiply
   3,028.50x = 4,543.89 × 976.50
4. Step 4: Simplify right side
   3,028.50x = 4,437,108.59
5. Step 5: Solve for x
   x = 4,437,108.59/3,028.50
6. Step 6: Final answer
   x = 1,465.12