Finding the Fourth Proportional to 2,116.64, 3,173.73 and 882.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,116.64 : 3,173.73 = 882.57 : x
2. Step 2: Convert to fraction form
   2,116.64/3,173.73 = 882.57/x
3. Step 3: Cross multiply
   2,116.64x = 3,173.73 × 882.57
4. Step 4: Simplify right side
   2,116.64x = 2,801,038.89
5. Step 5: Solve for x
   x = 2,801,038.89/2,116.64
6. Step 6: Final answer
   x = 1,323.35