Finding the Fourth Proportional to 3,172.06, 4,757.37 and 980.83

Step by Step Solution

1. Step 1: Write the proportion equation
   3,172.06 : 4,757.37 = 980.83 : x
2. Step 2: Convert to fraction form
   3,172.06/4,757.37 = 980.83/x
3. Step 3: Cross multiply
   3,172.06x = 4,757.37 × 980.83
4. Step 4: Simplify right side
   3,172.06x = 4,666,171.22
5. Step 5: Solve for x
   x = 4,666,171.22/3,172.06
6. Step 6: Final answer
   x = 1,471.02