Finding the Fourth Proportional to 1,977.72, 2,966.79 and 882.00

Step by Step Solution

1. Step 1: Write the proportion equation
   1,977.72 : 2,966.79 = 882.00 : x
2. Step 2: Convert to fraction form
   1,977.72/2,966.79 = 882.00/x
3. Step 3: Cross multiply
   1,977.72x = 2,966.79 × 882.00
4. Step 4: Simplify right side
   1,977.72x = 2,616,689.54
5. Step 5: Solve for x
   x = 2,616,689.54/1,977.72
6. Step 6: Final answer
   x = 1,323.08