Finding the Fourth Proportional to 2,048.00, 3,072.20 and 660.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,048.00 : 3,072.20 = 660.98 : x
2. Step 2: Convert to fraction form
   2,048.00/3,072.20 = 660.98/x
3. Step 3: Cross multiply
   2,048.00x = 3,072.20 × 660.98
4. Step 4: Simplify right side
   2,048.00x = 2,030,667.13
5. Step 5: Solve for x
   x = 2,030,667.13/2,048.00
6. Step 6: Final answer
   x = 991.54