Finding the Fourth Proportional to 2,980.80, 4,467.15 and 2,114.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,980.80 : 4,467.15 = 2,114.10 : x
2. Step 2: Convert to fraction form
   2,980.80/4,467.15 = 2,114.10/x
3. Step 3: Cross multiply
   2,980.80x = 4,467.15 × 2,114.10
4. Step 4: Simplify right side
   2,980.80x = 9,444,001.82
5. Step 5: Solve for x
   x = 9,444,001.82/2,980.80
6. Step 6: Final answer
   x = 3,168.28