Finding the Fourth Proportional to 1,980.27, 2,968.17 and 1,519.99

Step by Step Solution

1. Step 1: Write the proportion equation
   1,980.27 : 2,968.17 = 1,519.99 : x
2. Step 2: Convert to fraction form
   1,980.27/2,968.17 = 1,519.99/x
3. Step 3: Cross multiply
   1,980.27x = 2,968.17 × 1,519.99
4. Step 4: Simplify right side
   1,980.27x = 4,511,588.72
5. Step 5: Solve for x
   x = 4,511,588.72/1,980.27
6. Step 6: Final answer
   x = 2,278.27