Finding the Fourth Proportional to 2,980.89, 4,471.38 and 1,682.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,980.89 : 4,471.38 = 1,682.31 : x
2. Step 2: Convert to fraction form
   2,980.89/4,471.38 = 1,682.31/x
3. Step 3: Cross multiply
   2,980.89x = 4,471.38 × 1,682.31
4. Step 4: Simplify right side
   2,980.89x = 7,522,247.29
5. Step 5: Solve for x
   x = 7,522,247.29/2,980.89
6. Step 6: Final answer
   x = 2,523.49