Finding the Fourth Proportional to 3,300.81, 4,944.32 and 1,980.37

Step by Step Solution

1. Step 1: Write the proportion equation
   3,300.81 : 4,944.32 = 1,980.37 : x
2. Step 2: Convert to fraction form
   3,300.81/4,944.32 = 1,980.37/x
3. Step 3: Cross multiply
   3,300.81x = 4,944.32 × 1,980.37
4. Step 4: Simplify right side
   3,300.81x = 9,791,583.00
5. Step 5: Solve for x
   x = 9,791,583.00/3,300.81
6. Step 6: Final answer
   x = 2,966.42