Finding the Fourth Proportional to 2,979.01, 4,464.87 and 2,111.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,979.01 : 4,464.87 = 2,111.50 : x
2. Step 2: Convert to fraction form
   2,979.01/4,464.87 = 2,111.50/x
3. Step 3: Cross multiply
   2,979.01x = 4,464.87 × 2,111.50
4. Step 4: Simplify right side
   2,979.01x = 9,427,573.01
5. Step 5: Solve for x
   x = 9,427,573.01/2,979.01
6. Step 6: Final answer
   x = 3,164.67