Finding the Fourth Proportional to 1,978.60, 2,968.22 and 882.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,978.60 : 2,968.22 = 882.94 : x
2. Step 2: Convert to fraction form
   1,978.60/2,968.22 = 882.94/x
3. Step 3: Cross multiply
   1,978.60x = 2,968.22 × 882.94
4. Step 4: Simplify right side
   1,978.60x = 2,620,760.17
5. Step 5: Solve for x
   x = 2,620,760.17/1,978.60
6. Step 6: Final answer
   x = 1,324.55