Finding the Fourth Proportional to 2,014.31, 3,004.73 and 1,980.90

Step by Step Solution

1. Step 1: Write the proportion equation
   2,014.31 : 3,004.73 = 1,980.90 : x
2. Step 2: Convert to fraction form
   2,014.31/3,004.73 = 1,980.90/x
3. Step 3: Cross multiply
   2,014.31x = 3,004.73 × 1,980.90
4. Step 4: Simplify right side
   2,014.31x = 5,952,044.73
5. Step 5: Solve for x
   x = 5,952,044.73/2,014.31
6. Step 6: Final answer
   x = 2,954.88