Finding the Fourth Proportional to 1,977.80, 2,967.72 and 882.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,977.80 : 2,967.72 = 882.89 : x
2. Step 2: Convert to fraction form
   1,977.80/2,967.72 = 882.89/x
3. Step 3: Cross multiply
   1,977.80x = 2,967.72 × 882.89
4. Step 4: Simplify right side
   1,977.80x = 2,620,155.47
5. Step 5: Solve for x
   x = 2,620,155.47/1,977.80
6. Step 6: Final answer
   x = 1,324.78