Finding the Fourth Proportional to 1,979.01, 2,949.12 and 1,862.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,979.01 : 2,949.12 = 1,862.16 : x
2. Step 2: Convert to fraction form
   1,979.01/2,949.12 = 1,862.16/x
3. Step 3: Cross multiply
   1,979.01x = 2,949.12 × 1,862.16
4. Step 4: Simplify right side
   1,979.01x = 5,491,733.30
5. Step 5: Solve for x
   x = 5,491,733.30/1,979.01
6. Step 6: Final answer
   x = 2,774.99