Finding the Fourth Proportional to 2,113.94, 3,169.56 and 882.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,113.94 : 3,169.56 = 882.20 : x
2. Step 2: Convert to fraction form
   2,113.94/3,169.56 = 882.20/x
3. Step 3: Cross multiply
   2,113.94x = 3,169.56 × 882.20
4. Step 4: Simplify right side
   2,113.94x = 2,796,185.83
5. Step 5: Solve for x
   x = 2,796,185.83/2,113.94
6. Step 6: Final answer
   x = 1,322.74