Finding the Fourth Proportional to 3,321.89, 4,974.09 and 3,030.29

Step by Step Solution

1. Step 1: Write the proportion equation
   3,321.89 : 4,974.09 = 3,030.29 : x
2. Step 2: Convert to fraction form
   3,321.89/4,974.09 = 3,030.29/x
3. Step 3: Cross multiply
   3,321.89x = 4,974.09 × 3,030.29
4. Step 4: Simplify right side
   3,321.89x = 15,072,910.32
5. Step 5: Solve for x
   x = 15,072,910.32/3,321.89
6. Step 6: Final answer
   x = 4,537.46