Finding the Fourth Proportional to 3,970.30, 5,955.72 and 2,021.98

Step by Step Solution

1. Step 1: Write the proportion equation
   3,970.30 : 5,955.72 = 2,021.98 : x
2. Step 2: Convert to fraction form
   3,970.30/5,955.72 = 2,021.98/x
3. Step 3: Cross multiply
   3,970.30x = 5,955.72 × 2,021.98
4. Step 4: Simplify right side
   3,970.30x = 12,042,346.73
5. Step 5: Solve for x
   x = 12,042,346.73/3,970.30
6. Step 6: Final answer
   x = 3,033.11