Finding the Fourth Proportional to 1,980.00, 2,727.64 and 1,665.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,980.00 : 2,727.64 = 1,665.27 : x
2. Step 2: Convert to fraction form
   1,980.00/2,727.64 = 1,665.27/x
3. Step 3: Cross multiply
   1,980.00x = 2,727.64 × 1,665.27
4. Step 4: Simplify right side
   1,980.00x = 4,542,235.10
5. Step 5: Solve for x
   x = 4,542,235.10/1,980.00
6. Step 6: Final answer
   x = 2,294.06