Finding the Fourth Proportional to 2,114.10, 3,171.56 and 653.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,114.10 : 3,171.56 = 653.27 : x
2. Step 2: Convert to fraction form
   2,114.10/3,171.56 = 653.27/x
3. Step 3: Cross multiply
   2,114.10x = 3,171.56 × 653.27
4. Step 4: Simplify right side
   2,114.10x = 2,071,865.88
5. Step 5: Solve for x
   x = 2,071,865.88/2,114.10
6. Step 6: Final answer
   x = 980.02